[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>

diff --cc drivers/media/dvb-frontends/drx39xyj/drx39xxj.h
Simple merge

diff --cc drivers/media/dvb-frontends/drx39xyj/drx_driver.c
Simple merge