fix(psci): add missing curly braces

This corrects the MISRA violation C2012-15.6:
The body of an iteration-statement or a selection-statement shall
be a compound-statement.
Enclosed statement body within the curly braces.

Change-Id: I8b656f59b445e914dd3f47e3dde83735481a3640
Signed-off-by: Nithin G <nithing@amd.com>
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
diff --git a/lib/psci/psci_system_off.c b/lib/psci/psci_system_off.c
index b9418a3..1dcaa23 100644
--- a/lib/psci/psci_system_off.c
+++ b/lib/psci/psci_system_off.c
@@ -65,8 +65,9 @@
 		/*
 		 * Only WARM_RESET is allowed for architectural type resets.
 		 */
-		if (reset_type != PSCI_RESET2_SYSTEM_WARM_RESET)
+		if (reset_type != PSCI_RESET2_SYSTEM_WARM_RESET) {
 			return (u_register_t) PSCI_E_INVALID_PARAMS;
+		}
 		if ((psci_plat_pm_ops->write_mem_protect != NULL) &&
 		    (psci_plat_pm_ops->write_mem_protect(0) < 0)) {
 			return (u_register_t) PSCI_E_NOT_SUPPORTED;