[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 --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile
index 5591699..7eede5c 100644
--- a/drivers/media/tuners/Makefile
+++ b/drivers/media/tuners/Makefile
@@ -37,7 +37,7 @@
 obj-$(CONFIG_MEDIA_TUNER_FC0011) += fc0011.o
 obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o
 obj-$(CONFIG_MEDIA_TUNER_FC0013) += fc0013.o
-obj-$(CONFIG_MEDIA_TUNER_IT913X) += tuner_it913x.o
+obj-$(CONFIG_MEDIA_TUNER_IT913X) += it913x.o
 obj-$(CONFIG_MEDIA_TUNER_R820T) += r820t.o
 
 ccflags-y += -I$(srctree)/drivers/media/dvb-core