mfd: Make TPS6105X select REGMAP_I2C

This is required since
commit 7e5071199355 ("mfd: tps6105x: Use i2c regmap to access registers").

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
1 file changed