manifest: Make ArduinoCore-API a downloadable blob

Make the license-incompatible headers and implementations
a downloadable blob using `west blobs fetch`.

Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>

Author: soburi

CMakeLists.txt

@@ -10,4 +10,18 @@ if (CONFIG_ARDUINO_API)
   add_subdirectory(cores)
   add_subdirectory(libraries)
   zephyr_include_directories(${variant_dir})
+  zephyr_include_directories(${CMAKE_CURRENT_SOURCE_DIR}/zephyr/blobs/ArduinoCore-API)
+
+  if (CONFIG_CPU_CORTEX_M0PLUS)
+    set(prebuilt_path ${CMAKE_CURRENT_SOURCE_DIR}/zephyr/blobs/ArduinoCore-API/lib/libarduinocore_api_cortex-m0plus.a)
+  elseif (CONFIG_CPU_CORTEX_M33)
+    set(prebuilt_path ${CMAKE_CURRENT_SOURCE_DIR}/zephyr/blobs/ArduinoCore-API/lib/libarduinocore_api_cortex-m33.a)
+  elseif(CONFIG_CPU_CORTEX_M4)
+    set(prebuilt_path ${CMAKE_CURRENT_SOURCE_DIR}/zephyr/blobs/ArduinoCore-API/lib/libarduinocore_api_cortex-m33.a)
+  endif()
+
+  add_library(libarduinocore_api STATIC IMPORTED GLOBAL)
+  set_target_properties(libarduinocore_api PROPERTIES IMPORTED_LOCATION ${prebuilt_path})
+  zephyr_link_libraries(libarduinocore_api)
+
 endif()