V4L/DVB (8971): initial driver for af9013 demodulator

- initial driver for the Afatech AF9013 demodulator

Signed-off-by: Antti Palosaari <crope@iki.fi>
[mchehab.redhat.com: having a global var called 'debug' is not a good idea. rename it to af9013_debug]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index ca24618..1b54788 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -50,3 +50,4 @@
 obj-$(CONFIG_DVB_S5H1411) += s5h1411.o
 obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o
 obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o
+obj-$(CONFIG_DVB_AF9013) += af9013.o