Add bare metal support to Renesas targets

Modify RZ_A1XX and RZ_A2XX target configurations to include
bare metal as a supported profile,and add list of supported standard libraries.
Changes affect the following targets: RZ_A1H, GR_LYCHEE, GR_MANGO.

Author: harrisonmutai-arm

targets/targets.json

@@ -4841,6 +4841,17 @@
         "program_cycle_s": 2,
         "overrides": {
             "network-default-interface-type": "ETHERNET"
+        },
+        "supported_application_profiles" : ["full", "bare-metal"],
+        "supported_c_libs": {
+            "arm": [
+                "std",
+                "small"
+            ],
+            "gcc_arm": [
+                "std",
+                "small"
+            ]
         }
     },
     "RZ_A1H": {
@@ -4956,7 +4967,18 @@
             "STDIO_MESSAGES",
             "USBDEVICE"
         ],
-        "program_cycle_s": 2
+        "program_cycle_s": 2,
+        "supported_application_profiles" : ["full", "bare-metal"],
+        "supported_c_libs": {
+            "arm": [
+                "std",
+                "small"
+            ],
+            "gcc_arm": [
+                "std",
+                "small"
+            ]
+        }
     },
     "GR_MANGO": {
         "inherits": ["RZ_A2XX"],