[media] drx-j: Some cleanups at drx_driver.c source

This is mostly CodingStyle fixes and improvements.

No functional changes.
Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/dvb-frontends/drx39xyj/drx39xxj.h

@@ -31,7 +31,7 @@ struct drx39xxj_state {
 	struct drx_demod_instance *demod;
 	enum drx_standard current_standard;
 	struct dvb_frontend frontend;
-	int powered_up:1;
+	unsigned int powered_up:1;
 	unsigned int i2c_gate_open:1;
 	const struct firmware *fw;
 };