zynqmp: pm: Update PM version and support PM version check

ATF is not checking PM version. Add version check in such
a way that it is compatible with current and newer version
of PM.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Change-Id: Ia095d118121e6f75e8d320e87d5e2018068fa079
diff --git a/plat/xilinx/zynqmp/sip_svc_setup.c b/plat/xilinx/zynqmp/sip_svc_setup.c
index 4c29da2..114da33 100644
--- a/plat/xilinx/zynqmp/sip_svc_setup.c
+++ b/plat/xilinx/zynqmp/sip_svc_setup.c
@@ -44,9 +44,7 @@
 static int32_t sip_svc_setup(void)
 {
 	/* PM implementation as SiP Service */
-	pm_setup();
-
-	return 0;
+	return pm_setup();
 }
 
 /**