fix(xilinx): map PMC_GPIO device node to interrupt for wakeup source

Currently, PMC_GPIO device node was not mapped with interrupt number
during the setup of wakeup source while suspending. As a result,
system cannot resume using PMC_GPIO as wakeup source.

To address this issue, add an entry for PMC_GPIO node to map with its
corresponding interrupt number.

Change-Id: Ic681b7b2e7c0b3bd542c8e4664a2129e4b91c459
Signed-off-by: Ronak Jain <ronak.jain@amd.com>
diff --git a/plat/xilinx/versal/pm_service/pm_client.c b/plat/xilinx/versal/pm_service/pm_client.c
index ccbfe77..3e44153 100644
--- a/plat/xilinx/versal/pm_service/pm_client.c
+++ b/plat/xilinx/versal/pm_service/pm_client.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2019-2022, Xilinx, Inc. All rights reserved.
- * Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -155,6 +155,9 @@
 	case 74:
 		dev_idx = XPM_NODEIDX_DEV_USB_0;
 		break;
+	case 122:
+		dev_idx = XPM_NODEIDX_DEV_GPIO_PMC;
+		break;
 	case 126:
 	case 127:
 		dev_idx = XPM_NODEIDX_DEV_SDIO_0;