Respect target.application-profile setting for Greentea build

MBED_GREENTEA_TEST_BAREMETAL can become deprecated and be removed.
Respect target.application-profile setting instead to resolve link
library.

Author: ccli8

TESTS/configs/greentea_baremetal.json5

@@ -9,6 +9,9 @@
         "platform.all-stats-enabled": 1,
 
         // Enable auto reboot on error, required for crash reporting test
-        "platform.fatal-error-auto-reboot-enabled": true
+        "platform.fatal-error-auto-reboot-enabled": true,
+
+        // Enable bare-metal application profile
+        "target.application-profile": "bare-metal"
     }
 }

tools/cmake/mbed_greentea.cmake

@@ -92,7 +92,9 @@ function(mbed_greentea_add_test)
             ${MBED_GREENTEA_TEST_SOURCES}
     )
 
-    if(MBED_GREENTEA_TEST_BAREMETAL)
+    # Resolve link library based on target.application-profile setting
+    get_target_property(MBED_CORE_FLAGS_TARGET_LINK_LIBRARIES mbed-core-flags INTERFACE_LINK_LIBRARIES)
+    if(NOT "mbed-rtos-flags" IN_LIST MBED_CORE_FLAGS_TARGET_LINK_LIBRARIES)
         list(APPEND MBED_GREENTEA_TEST_REQUIRED_LIBS mbed-baremetal)
     else()
         list(APPEND MBED_GREENTEA_TEST_REQUIRED_LIBS mbed-os)