Change magic to use OPENRAM_MAGICRC if defined.

compiler/verify/magic.py

@@ -71,7 +71,10 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
     global OPTS
 
     # Copy .magicrc file into the output directory
+    magic_file = os.environ.get('OPENRAM_MAGICRC', None)
+    if not magic_file:
         magic_file = OPTS.openram_tech + "tech/.magicrc"
+        
     if os.path.exists(magic_file):
         shutil.copy(magic_file, output_path)
     else: