[media] rtl2832: rename driver state variable from 'priv' to 'dev'

Rename it device state variable to dev. Both priv and dev are very
common terms for such variable in kernel, but I like use dev in
order to keep drivers consistent.
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/rtl2832_priv.h

@@ -25,7 +25,7 @@
 #include "rtl2832.h"
 #include <linux/i2c-mux.h>
 
-struct rtl2832_priv {
+struct rtl2832_dev {
 	struct i2c_client *client;
 	struct i2c_adapter *i2c;
 	struct i2c_adapter *i2c_adapter;