leds: lp8860: Fix module dependency

The driver should select REGMAP_I2C rather than depend on it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index b0dce59..a6c3d2f 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -252,7 +252,8 @@
 
 config LEDS_LP8860
 	tristate "LED support for the TI LP8860 4 channel LED driver"
-	depends on LEDS_CLASS && REGMAP_I2C
+	depends on LEDS_CLASS && I2C
+	select REGMAP_I2C
 	help
 	  If you say yes here you get support for the TI LP8860 4 channel
 	  LED driver.