V4L/DVB (7045): xc5000: Small amount of cleanup and commenting

xc5000: Small amount of cleanup and commenting, just for clarification.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --cc drivers/media/dvb/frontends/xc5000.c
Simple merge

diff --cc drivers/media/dvb/frontends/xc5000.h
Simple merge

diff --cc drivers/media/video/cx23885/cx23885-cards.c
Simple merge

diff --cc drivers/media/video/cx23885/cx23885-dvb.c
Simple merge

diff --cc drivers/media/video/cx23885/cx23885.h
Simple merge

diff --cc drivers/media/video/cx88/cx88-cards.c
Simple merge

diff --cc drivers/media/video/cx88/cx88-dvb.c
Simple merge

diff --cc drivers/media/video/tuner-core.c
Simple merge