net: ethernet: mtk-star-emac: use regmap bitops

Shrink the code visually by replacing regmap_update_bits() with
appropriate regmap bit operations where applicable.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bartosz Golaszewski 2020-05-28 17:45:03 +02:00 • committed by David S. Miller
commit 240f1ae40c