install c2 compile skeleton only for Arduino

Author: Jason2866

platform.py

@@ -103,7 +103,7 @@ def configure_default_packages(self, variables, targets):
         if variables.get("custom_sdkconfig") is not None or len(str(board_sdkconfig)) > 3:
             frameworks.append("espidf")
             self.packages["framework-espidf"]["optional"] = False
-            if mcu == "esp32c2":
+            if (mcu == "esp32c2") and not ("espidf" in frameworks):
                 self.packages["framework-arduino-c2-skeleton-lib"]["optional"] = False
 
         # packages for IDF and mixed Arduino+IDF projects
@@ -117,7 +117,7 @@ def configure_default_packages(self, variables, targets):
                  ):
                     self.packages[p]["optional"] = False
 
-        if "".join(targets) in ("upload", "buildfs", "uploadfs"):
+        if tl_flag and ("".join(targets) in ("upload", "buildfs", "uploadfs") or variables.get("custom_files_upload") is not None):
             filesystem = variables.get("board_build.filesystem", "littlefs")
             if filesystem == "littlefs":
                 # Use mklittlefs v3.2.0 to generate FS