Exporting GPIO if the sysfs node does not exist

This change exports gpio number if it can not be accessed. Ignore
the active_low checking for compatibility.

Signed-off-by: Rong Chang <rongchang@chromium.org>
BUG=chrome-os-partner:11029
TEST=manual
  Run crossystem and check WP pin status

Change-Id: I0885ab21c6c6d614945e4fda49a373e8619772a9
Reviewed-on: https://gerrit.chromium.org/gerrit/26563
Commit-Ready: Tom Wai-Hong Tam <waihong@chromium.org>
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Tested-by: Tom Wai-Hong Tam <waihong@chromium.org>
1 file changed