Use devm_gpiochip_add_data to get rid of the remove function. No need
for it.
Also use dev_err_probe to simplify the error path and avoid having to
handle -EPROBE_DEFER manually.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16506
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
dedeb28755