CMake add COMPONENT_WHD in emac

Author: pennam

connectivity/drivers/emac/CMakeLists.txt

@@ -25,6 +25,10 @@ elseif("Silicon_Labs" IN_LIST MBED_TARGET_LABELS)
     add_subdirectory(TARGET_Silicon_Labs)
 endif()
 
+if("WHD" IN_LIST MBED_TARGET_LABELS)
+    add_subdirectory(COMPONENT_WHD)
+endif()
+
 target_link_libraries(mbed-emac
     INTERFACE
         mbed-netsocket