gitlab-ci: Changes to esp-idf path to provide more flexibility in CI

Author: shahpiyushv

.gitlab-ci.yml

@@ -25,7 +25,7 @@ before_script:
 - git --version
 # Cloning esp-idf - Started
 - echo Cloning esp-idf - Started
-- git clone --recursive --branch master --depth 1 $GITLAB_SSH_SERVER/idf/esp-idf.git
+- git clone --recursive --branch master --depth 1 ${IDF_GIT_PATH}/esp-idf.git
 - cd esp-idf
 - echo Cloning esp-idf - Done
 # Cloning esp-idf - Done