Correct typographical errors

Corrects typos in core code, documentation files, drivers, Arm
platforms and services.

None of the corrections affect code; changes are limited to comments
and other documentation.

Change-Id: I5c1027b06ef149864f315ccc0ea473e2a16bfd1d
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

plat/arm/common/arm_gicv3.c

 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -152,7 +152,7 @@ void plat_arm_gic_save(void)
 	 * If an ITS is available, save its context before
 	 * the Redistributor using:
 	 * gicv3_its_save_disable(gits_base, &its_ctx[i])
-	 * Additionnaly, an implementation-defined sequence may
+	 * Additionally, an implementation-defined sequence may
 	 * be required to save the whole ITS state.
 	 */
 

plat/arm/common/tsp/arm_tsp_setup.c

 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -78,7 +78,7 @@ void tsp_platform_setup(void)
 void tsp_plat_arch_setup(void)
 {
 #if USE_COHERENT_MEM
-	/* Ensure ARM platforms dont use coherent memory in TSP */
+	/* Ensure ARM platforms don't use coherent memory in TSP */
 	assert((BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE) == 0U);
 #endif
 

plat/arm/css/drivers/mhu/css_mhu_doorbell.c

 /*
- * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -32,7 +32,7 @@ void mhuv2_ring_doorbell(struct scmi_channel_plat_info *plat_info)
 			plat_info->db_modify_mask,
 			plat_info->db_preserve_mask);
 
-	/* clear the access request for the recevier */
+	/* clear the access request for the receiver */
 	MHU_V2_CLEAR_REQUEST(MHUV2_BASE_ADDR);
 
 	return;

services/spd/opteed/teesmc_opteed.h

 /*
- * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -10,13 +10,13 @@
 #define TEESMC_OPTEED_H
 
 /*
- * This file specify SMC function IDs used when returning from TEE to the
+ * This file specifies SMC function IDs used when returning from TEE to the
  * secure monitor.
  *
  * All SMC Function IDs indicates SMC32 Calling Convention but will carry
  * full 64 bit values in the argument registers if invoked from Aarch64
  * mode. This violates the SMC Calling Convention, but since this
- * convention only coveres API towards Normwal World it's something that
+ * convention only coveres API towards Normal World it's something that
  * only concerns the OP-TEE Dispatcher in ARM Trusted Firmware and OP-TEE
  * OS at Secure EL1.
  */

services/spd/tlkd/tlkd_main.c

 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -341,7 +341,7 @@ static uintptr_t tlkd_smc_handler(uint32_t smc_fid,
 
 		/*
 		 * SP has been successfully initialized. Register power
-		 * managemnt hooks with PSCI
+		 * management hooks with PSCI
 		 */
 		psci_register_spd_pm_hook(&tlkd_pm_ops);
 

services/spd/trusty/trusty.c

 /*
- * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -100,7 +100,7 @@ static struct args trusty_context_switch(uint32_t security_state, uint64_t r0,
 
 	/*
 	 * To avoid the additional overhead in PSCI flow, skip FP context
-	 * saving/restoring in case of CPU suspend and resume, asssuming that
+	 * saving/restoring in case of CPU suspend and resume, assuming that
 	 * when it's needed the PSCI caller has preserved FP context before
 	 * going here.
 	 */
@@ -302,7 +302,7 @@ static int32_t trusty_init(void)
 
 	/*
 	 * Adjust secondary cpu entry point for 32 bit images to the
-	 * end of exeption vectors
+	 * end of exception vectors
 	 */
 	if ((cpu != 0) && (reg_width == MODE_RW_32)) {
 		INFO("trusty: cpu %d, adjust entry point to 0x%lx\n",

services/spd/tspd/tspd_main.c

 /*
- * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -375,7 +375,7 @@ static uintptr_t tspd_smc_handler(uint32_t smc_fid,
 
 			/*
 			 * TSP has been successfully initialized. Register power
-			 * managemnt hooks with PSCI
+			 * management hooks with PSCI
 			 */
 			psci_register_spd_pm_hook(&tspd_pm);
 

services/std_svc/sdei/sdei_private.h

 /*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -54,7 +54,7 @@
 /*
  * 'info' parameter to SDEI_EVENT_GET_INFO SMC.
  *
- * Note that the SDEI v1.0 speification mistakenly enumerates the
+ * Note that the SDEI v1.0 specification mistakenly enumerates the
  * SDEI_INFO_EV_SIGNALED as SDEI_INFO_SIGNALED. This will be corrected in a
  * future version.
  */