This commit fixes all errors reported by the checkpatch script. This
should make it easier to accept upstream this patch.
There should be no functional changes.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Link: https://github.com/openwrt/openwrt/pull/15939
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
