Add bare metal support to Nuvoton targets

Modify `targets.json` to configure bare metal for the following targets:
NUMAKER_IOT_M252, NUMAKER_IOT_M263A, NUMAKER_IOT_M487, NUMAKER_PFM_M487,
NUMAKER_PFM_NUC472. Add target link interface between nuvoton library
and mbed-cmsis-cortex-m.

Author: harrisonmutai-arm

targets/TARGET_NUVOTON/CMakeLists.txt

@@ -23,3 +23,5 @@ target_sources(mbed-nuvoton
         nu_timer.c
         USBEndpoints_Nuvoton.cpp
 )
+
+target_link_libraries(mbed-nuvoton INTERFACE  mbed-cmsis-cortex-m)

targets/targets.json

@@ -5870,9 +5870,7 @@
         "is_disk_virtual": true,
         "supported_toolchains": [
             "ARM",
-            "uARM",
-            "GCC_ARM",
-            "IAR"
+            "GCC_ARM"
         ],
         "config": {
             "gpio-irq-debounce-enable": {
@@ -5945,6 +5943,19 @@
         },
         "detect_code": [
             "1302"
+        ],
+        "supported_c_libs": {
+            "arm": [
+                "std",
+                "small"
+            ],
+            "gcc_arm": [
+                "std",
+                "small"
+            ]
+        },
+        "supported_application_profiles": [
+            "bare-metal"
         ]
     },
     "NUMAKER_PFM_M453": {
@@ -6172,9 +6183,7 @@
         "is_disk_virtual": true,
         "supported_toolchains": [
             "ARM",
-            "uARM",
-            "GCC_ARM",
-            "IAR"
+            "GCC_ARM"
         ],
         "config": {
             "spim-ccm-enable": {
@@ -6278,7 +6287,20 @@
         "overrides": {
             "deep-sleep-latency": 1,
             "tickless-from-us-ticker": true
-        }
+        },
+        "supported_c_libs": {
+            "arm": [
+                "std",
+                "small"
+            ],
+            "gcc_arm": [
+                "std",
+                "small"
+            ]
+        },
+        "supported_application_profiles": [
+            "bare-metal"
+        ]
     },
     "NUMAKER_PFM_M487": {
         "inherits": [
@@ -6494,8 +6516,7 @@
         ],
         "supported_toolchains": [
             "ARMC6",
-            "GCC_ARM",
-            "IAR"
+            "GCC_ARM"
         ],
         "config": {
             "usb-uart": {
@@ -6586,7 +6607,20 @@
                 512
             ]
         ],
-        "bootloader_supported": true
+        "bootloader_supported": true,
+        "supported_c_libs": {
+            "arm": [
+                "std",
+                "small"
+            ],
+            "gcc_arm": [
+                "std",
+                "small"
+            ]
+        },
+        "supported_application_profiles": [
+            "bare-metal"
+        ]
     },
     "NUMAKER_IOT_M252": {
         "inherits": [
@@ -7395,8 +7429,7 @@
         "is_disk_virtual": true,
         "supported_toolchains": [
             "ARMC6",
-            "GCC_ARM",
-            "IAR"
+            "GCC_ARM"
         ],
         "config": {
             "usb-uart": {
@@ -7487,7 +7520,20 @@
             "deep-sleep-latency": 1,
             "tickless-from-us-ticker": true
         },
-        "forced_reset_timeout": 3
+        "forced_reset_timeout": 3,
+        "supported_c_libs": {
+            "arm": [
+                "std",
+                "small"
+            ],
+            "gcc_arm": [
+                "std",
+                "small"
+            ]
+        },
+        "supported_application_profiles": [
+            "full", "bare-metal"
+        ]
     },
     "NUMAKER_IOT_M263A": {
         "inherits": [