adds IDF_PATH to environment before running export script

Author: kdschlosser

builder/esp32.py

@@ -287,7 +287,7 @@ def setup_idf_environ():
  env = {k: v for k, v in os.environ.items()}
  env['IDF_PATH'] = os.path.abspath(idf_path)
 
- result, output = spawn(cmds, out_to_screen=False)
+ result, output = spawn(cmds, env=env, out_to_screen=False)
 
  if result != 0:
  print(output)