Added Jenkinsfile

Jenkinsfile

@@ -21,6 +21,10 @@ echo $CHC_PATH'''
         }
 
       }
+      environment {
+        CH_PATH = '$WORKSPACE/ChibiOS'
+        CHC_PATH = '$WORKSPACE'
+      }
       steps {
         sh '''arm-none-eabi-gcc -v
 
@@ -36,7 +40,5 @@ for i in *.7z; do 7z x -y $i; done'''
   }
   environment {
     CH_BRANCH = 'stable_18.2.x'
-    CH_PATH = '$WORKSPACE/ChibiOS'
-    CHC_PATH = '$WORKSPACE'
   }
 }