fix(platforms): 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: I1327a206782ccd341c0c7eaa3f26078150458ed0
Signed-off-by: Nithin G <nithing@amd.com>
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
diff --git a/plat/common/plat_bl_common.c b/plat/common/plat_bl_common.c
index dbb6f81..4772bad 100644
--- a/plat/common/plat_bl_common.c
+++ b/plat/common/plat_bl_common.c
@@ -51,8 +51,9 @@
 
 void __dead2 plat_error_handler(int err)
 {
-	while (1)
+	while (1) {
 		wfi();
+	}
 }
 
 void bl2_plat_preload_setup(void)