Merge "fix(morello): initialise CNTFRQ in Non Secure CNTBaseN" into integration

plat/arm/common/arm_common.c

 /*
- * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -151,10 +151,10 @@ void arm_configure_sys_timer(void)
 	 */
 	mmio_write_32(ARM_SYS_TIMCTL_BASE + CNTCTLBASE_CNTFRQ, freq_val);
 
-#if defined(PLAT_juno) || defined(PLAT_n1sdp)
+#if defined(PLAT_juno) || defined(PLAT_n1sdp) || defined(PLAT_morello)
 	/*
 	 * Initialize CNTFRQ register in Non-secure CNTBase frame.
-	 * This is only required for Juno and N1SDP, because they do not
+	 * This is required for Juno, N1SDP and Morello because they do not
 	 * follow ARM ARM in that the value updated in CNTFRQ is not
 	 * reflected in CNTBASEN_CNTFRQ. Hence update the value manually.
 	 */