feat(rme): add dev granules tests

Add tests for RMI_GRANULE_DELEGATE and
RMI_GRANULE_UNDELEGATE commands using
device granules.
Add plat_get_dev_region() function to
retrieve platform PCIe memory region info.

Change-Id: Ie59361dd28e11db348c30b033c156de044aa0ffc
Signed-off-by: AlexeiFedorov <Alexei.Fedorov@arm.com>
diff --git a/plat/common/plat_common.c b/plat/common/plat_common.c
index da58579..c06ad13 100644
--- a/plat/common/plat_common.c
+++ b/plat/common/plat_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2024, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2025, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -26,6 +26,7 @@
 #pragma weak plat_get_prot_regions
 #pragma weak plat_pcie_get_info_table
 #pragma weak plat_get_invalid_addr
+#pragma weak plat_get_dev_region
 
 #if IMAGE_TFTF
 
@@ -160,3 +161,9 @@
 {
 	return (uintptr_t)0x0;
 }
+
+int plat_get_dev_region(uint64_t *dev_base, size_t *dev_size,
+			uint32_t dev_type, uint32_t dev_idx)
+{
+	return -1;
+}