[media] rtl2832: style changes and minor cleanup

Most of those were reported by checkpatch.pl...

debug module parameter is not used anywhere so remove it.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --cc drivers/media/dvb-frontends/rtl2832.c
Simple merge

diff --cc drivers/media/dvb-frontends/rtl2832.h
Simple merge

diff --cc drivers/media/dvb-frontends/rtl2832_priv.h
Simple merge