feat(plat/xilinx/zynqmp): add support for runtime feature config

Add support for runtime feature configuration which are running on the
 firmware. Add new IOCTL IDs like IOCTL_SET_FEATURE_CONFIG and
 IOCTL_GET_FEATURE_CONFIG for configuring the features.

Signed-off-by: Ronak Jain <ronak.jain@xilinx.com>
Change-Id: I976aef15932783a25396b2adeb4c8f140cc87e79
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.h b/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.h
index 7f96861..f18dc00 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.h
@@ -49,6 +49,9 @@
 	IOCTL_AIE_ISR_CLEAR = 24,
 	/* Register SGI to ATF */
 	IOCTL_REGISTER_SGI = 25,
+	/* Runtime feature configuration */
+	IOCTL_SET_FEATURE_CONFIG = 26,
+	IOCTL_GET_FEATURE_CONFIG = 27,
 };
 
 //RPU operation mode