NXP: Query precise application names in post build

This removes the need to use "glob" a file extension, and uses
precise application names.

targets/TARGET_NXP/scripts/LPC.py

@@ -24,7 +24,6 @@
 the first 8 locations in sector 0 of the flash. If the result is 0, then execution control is
 transferred to the user code.
 """
-import pathlib
 import os
 import sys
 from struct import unpack, pack
@@ -53,13 +52,10 @@ def is_patched(bin_path):
 
 
 if __name__ == "__main__":
-    artefacts_location = sys.argv[1]
-
-    try:
-        binary = list(pathlib.Path(artefacts_location).glob("*.bin"))[0]
-    except IndexError:
+    binary = sys.argv[1]
+    if not os.path.isfile(binary):
         raise ArtefactsError(
-            f"Could not find binary file in {artefacts_location}"
+            f"Could not find binary file {binary}"
         )
 
     print("LPC Patch: %s" % os.path.split(binary)[1])

targets/TARGET_NXP/scripts/mbed_set_post_build_nxp.cmake

@@ -11,7 +11,7 @@ function(mbed_post_build_lpc_patch_vtable mbed_target_name)
 
     set(post_build_command
         COMMAND ${Python3_EXECUTABLE} ${MBED_PATH}/targets/TARGET_NXP/scripts/LPC.py
-        ${CMAKE_BINARY_DIR}
+        ${CMAKE_BINARY_DIR}/$<TARGET_PROPERTY:mbed-post-build-bin-${mbed_target_name},application>.bin
     )
 
     mbed_set_post_build_operation()