regulator: max77843: Convert to use regulator_is_enabled_regmap

Use regulator_is_enabled_regmap() to replace max77843_reg_is_enabled().

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>
1 file changed