regulator: rt4831: Add bypass mask to fix set_bypass API work

To use set/get_bypass helper function, bypass mask need to be specified.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1648171577-9663-2-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: ChiYuan Huang

drivers/regulator/rt4831-regulator.c

@@ -106,6 +106,7 @@ static const struct regulator_desc rt4831_regulator_descs[] = {
 		.vsel_reg = RT4831_REG_VLCM,
 		.vsel_mask = RT4831_VOLT_MASK,
 		.bypass_reg = RT4831_REG_DSVEN,
+		.bypass_mask = RT4831_DSVMODE_MASK,
 		.bypass_val_on = DSV_MODE_BYPASS,
 		.bypass_val_off = DSV_MODE_NORMAL,
 		.owner = THIS_MODULE,