[media] rtl2832: cleanups and minor changes

Remove all the stuff that is not needed anymore. Rename variable.
Remove extra new lines.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h b/drivers/media/dvb-frontends/rtl2832_priv.h
index 973892a..9edab5d 100644
--- a/drivers/media/dvb-frontends/rtl2832_priv.h
+++ b/drivers/media/dvb-frontends/rtl2832_priv.h
@@ -21,11 +21,13 @@
 #ifndef RTL2832_PRIV_H
 #define RTL2832_PRIV_H
 
-#include "dvb_frontend.h"
-#include "rtl2832.h"
-#include <linux/i2c-mux.h>
 #include <linux/regmap.h>
 #include <linux/math64.h>
+#include <linux/bitops.h>
+
+#include "dvb_frontend.h"
+#include "dvb_math.h"
+#include "rtl2832.h"
 
 struct rtl2832_dev {
 	struct rtl2832_platform_data *pdata;
@@ -55,7 +57,6 @@
 	u32 value;
 };
 
-
 /* Demod register bit names */
 enum DVBT_REG_BIT_NAME {
 	DVBT_SOFT_RST,