plat: versal: Add Get_ChipID API

Add support for Get_ChipID API in Versal which calls corresponding
LibPM API.

Signed-off-by: Ravi Patel <ravi.patel@xilinx.com>
Acked-by: Jolly Shah <jolly.shah@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: I25c4b301721d7989d982ac376c59195c55564022
diff --git a/plat/xilinx/versal/pm_service/pm_defs.h b/plat/xilinx/versal/pm_service/pm_defs.h
index 892804d..7d4066b 100644
--- a/plat/xilinx/versal/pm_service/pm_defs.h
+++ b/plat/xilinx/versal/pm_service/pm_defs.h
@@ -55,6 +55,7 @@
 #define PM_RESET_ASSERT			17U
 #define PM_RESET_GET_STATUS		18U
 #define PM_INIT_FINALIZE		21U
+#define PM_GET_CHIPID			24U
 #define	PM_PINCTRL_REQUEST		28U
 #define	PM_PINCTRL_RELEASE		29U
 #define	PM_PINCTRL_GET_FUNCTION		30U