fix(xilinx): 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: I7d68bcd0daec1c5fe448ce889bb5a74dc8a5cc91
Signed-off-by: Nithin G <nithing@amd.com>
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
diff --git a/plat/xilinx/common/ipi.c b/plat/xilinx/common/ipi.c
index 399d283..f69cc82 100644
--- a/plat/xilinx/common/ipi.c
+++ b/plat/xilinx/common/ipi.c
@@ -70,7 +70,7 @@
 {
 	int ret = 1;
 
-	if (remote >= ipi_total || local >= ipi_total) {
+	if ((remote >= ipi_total) || (local >= ipi_total)) {
 		ret = 0;
 	}