scripts: standardize main(argv)

Most of our files use main(argv).  Fix the few that don't.

BUG=None
TEST=ran help on each of these
TEST=`cbuildbot chromiumos-sdk`

Change-Id: Iac3a5096e7dd450350548102934f29fdeaac28d5
Reviewed-on: https://gerrit.chromium.org/gerrit/57124
Reviewed-by: Matt Tennant <mtennant@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/gs_fetch_binpkg.py b/scripts/gs_fetch_binpkg.py
index 66d8c15..cce796f 100644
--- a/scripts/gs_fetch_binpkg.py
+++ b/scripts/gs_fetch_binpkg.py
@@ -38,9 +38,9 @@
   finally:
     osutils.SafeUnlink(temp_path)
 
-def main(args):
+def main(argv):
   parser = GetParser()
-  options = parser.parse_args(args)
+  options = parser.parse_args(argv)
   ctx = gs.GSContext(retries=0)
   try:
     cros_build_lib.RetryCommand(Copy, ctx.DEFAULT_RETRIES, ctx, options.uri,