Change framework retrieval method in espidf.py

Author: Jason2866

builder/frameworks/espidf.py

@@ -233,8 +233,9 @@ def contains_path_traversal(url):
 if "espidf.custom_sdkconfig" in board:
     flag_custom_sdkonfig = True
 
-pio_orig_frwrk = config.get("framework")
+pio_orig_frwrk = env.GetProjectOption("framework")
 print("***** Framework read from Project Config:", pio_orig_frwrk)
+
 if "espidf" in pio_orig_frwrk:
     flag_custom_sdkonfig = False
     print("**** HybridCompile switched off ****")