regulator: max77843: Fix enable_mask for max77843 charger

MAX77843_CHG_ENABLE is 0x05, so the enable_mask should be
MAX77843_CHG_MASK | MAX77843_CHG_BUCK_MASK.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/max77843.c

@@ -140,7 +140,7 @@ static const struct regulator_desc max77843_supported_regulators[] = {
 		.type		= REGULATOR_CURRENT,
 		.owner		= THIS_MODULE,
 		.enable_reg	= MAX77843_CHG_REG_CHG_CNFG_00,
-		.enable_mask	= MAX77843_CHG_MASK,
+		.enable_mask	= MAX77843_CHG_MASK | MAX77843_CHG_BUCK_MASK,
 	},
 };