zynqmp: pm: adds new pm ID to sync with PMUFW ID numbers

This patch adds a new pm ID to sync with PMUFW ID numbers.
Signed-off-by: Nava kishore Manne <navam@xilinx.com>

plat/xilinx/zynqmp/pm_service/pm_defs.h

@@ -86,6 +86,7 @@ enum pm_api_id {
 	PM_RESET_GET_STATUS,
 	PM_MMIO_WRITE,
 	PM_MMIO_READ,
+	PM_INIT,
 	PM_API_MAX
 };