drivers: renesas: rcar: watchdog: Fix typo

Fix the typo "occured" -> "occurred"
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Change-Id: Ic66ceab364f7dc926dc6a6db641ca173601cd031

drivers/renesas/rcar/watchdog/swdt.c

 /*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -162,6 +162,6 @@ void rcar_swdt_exec(uint64_t p)
 	gicv2_end_of_interrupt(ARM_IRQ_SEC_WDT);
 	rcar_swdt_release();
 	ERROR("\n");
-	ERROR("System WDT overflow, occured address is %p\n", (void *)p);
+	ERROR("System WDT overflow, occurred address is %p\n", (void *)p);
 	panic();
 }