[media] it913x: rename tuner_it913x => it913x

Remove tuner_ prefix from module name and file names. Prefix was
added due to file name conflict on media out-tree build system.
Demodulator having same name does not exists anymore. So lets
remove dumb prefix.

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

diff --cc drivers/media/tuners/Makefile
Simple merge

diff --cc drivers/media/tuners/it913x.c
Simple merge

diff --cc drivers/media/tuners/it913x.h
Simple merge

diff --cc drivers/media/tuners/it913x_priv.h
Simple merge

diff --cc drivers/media/usb/dvb-usb-v2/af9035.h
Simple merge