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/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 */