regulator: lp872x: Make REGULATOR_LP872X depend on I2C rather than I2C=y

lp872x regulator driver can be built a module after commit 631a1fc "regulator: build: Allow most regulators to be built as modules". Make REGULATOR_LP872X depend on I2C to allow building lp872x module when I2C=m.

---
 drivers/regulator/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 052e284..dfe5809 100644
@@ -231,7 +231,7 @@ config REGULATOR_LP3972
 
 config REGULATOR_LP872X
 	tristate "TI/National Semiconductor LP8720/LP8725 voltage regulators"
-	depends on I2C=y
+	depends on I2C
 	select REGMAP_I2C
 	help
 	  This driver supports LP8720/LP8725 PMIC

1.8.1.2

Applied, thanks.