fix(versal): explicitly check operators precedence

This corrects the MISRA violation C2012-12.1:
The precedence of operators within expressions should be
made explicit.
Enclosed the subexpression in parentheses to maintain
the precedence.

Change-Id: I86bbbd4fe86be131a9e9775095d971d76eb956e3
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
diff --git a/plat/xilinx/versal/bl31_versal_setup.c b/plat/xilinx/versal/bl31_versal_setup.c
index 377568d..819a55b 100644
--- a/plat/xilinx/versal/bl31_versal_setup.c
+++ b/plat/xilinx/versal/bl31_versal_setup.c
@@ -131,7 +131,7 @@
 	enum xbl_handoff ret = xbl_handover(&bl32_image_ep_info,
 						  &bl33_image_ep_info,
 						  tfa_handoff_addr);
-	if (ret == XBL_HANDOFF_NO_STRUCT || ret == XBL_HANDOFF_INVAL_STRUCT) {
+	if ((ret == XBL_HANDOFF_NO_STRUCT) || (ret == XBL_HANDOFF_INVAL_STRUCT)) {
 		bl31_set_default_config();
 	} else if (ret == XBL_HANDOFF_TOO_MANY_PARTS) {
 		ERROR("BL31: Error too many partitions %u\n", ret);
@@ -153,7 +153,7 @@
 	uint32_t i;
 
 	/* Validate 'handler' and 'id' parameters */
-	if (handler == NULL || index >= MAX_INTR_EL3) {
+	if ((handler == NULL) || (index >= MAX_INTR_EL3)) {
 		return -EINVAL;
 	}
 
diff --git a/plat/xilinx/versal/plat_psci.c b/plat/xilinx/versal/plat_psci.c
index a299d14..d6d4e39 100644
--- a/plat/xilinx/versal/plat_psci.c
+++ b/plat/xilinx/versal/plat_psci.c
@@ -77,7 +77,7 @@
 		plat_versal_gic_save();
 	}
 
-	state = target_state->pwr_domain_state[1] > PLAT_MAX_RET_STATE ?
+	state = (target_state->pwr_domain_state[1] > PLAT_MAX_RET_STATE) ?
 		PM_STATE_SUSPEND_TO_RAM : PM_STATE_CPU_IDLE;
 
 	/* Send request to PMC to suspend this core */