regulator: Convert tps65023 to use regmap API

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index d7ed20f..118eb21 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -235,6 +235,7 @@
 config REGULATOR_TPS65023
 	tristate "TI TPS65023 Power regulators"
 	depends on I2C
+	select REGMAP_I2C
 	help
 	  This driver supports TPS65023 voltage regulator chips. TPS65023 provides
 	  three step-down converters and two general-purpose LDO voltage regulators.