[media] e4000: convert to Regmap API

That comes possible after driver was converted to kernel I2C model
(I2C binding & proper I2C client with no gate control hack). All
nasty low level I2C routines are now covered by regmap.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig
index 3b95392..85c0d96 100644
--- a/drivers/media/tuners/Kconfig
+++ b/drivers/media/tuners/Kconfig
@@ -204,6 +204,7 @@
 config MEDIA_TUNER_E4000
 	tristate "Elonics E4000 silicon tuner"
 	depends on MEDIA_SUPPORT && I2C && VIDEO_V4L2
+	select REGMAP_I2C
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
 	  Elonics E4000 silicon tuner driver.