[media] m88ts2022: convert to RegMap I2C API

Use RegMap to cover I2C register routines.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/tuners/Kconfig

@@ -226,6 +226,7 @@ config MEDIA_TUNER_FC2580
 config MEDIA_TUNER_M88TS2022
 	tristate "Montage M88TS2022 silicon tuner"
 	depends on MEDIA_SUPPORT && I2C
+	select REGMAP_I2C
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
 	  Montage M88TS2022 silicon tuner driver.

drivers/media/tuners/m88ts2022_priv.h

@@ -18,10 +18,12 @@
 #define M88TS2022_PRIV_H
 
 #include "m88ts2022.h"
+#include <linux/regmap.h>
 
 struct m88ts2022_dev {
 	struct m88ts2022_config cfg;
 	struct i2c_client *client;
+	struct regmap *regmap;
 	struct dvb_frontend *fe;
 	u32 frequency_khz;
 };