V4L/DVB (9017): Add support for Silicon Laboratories SI2109/2110 demodulators.

Add support for Silicon Laboratories SI2109/2110 demodulator
and cards with it, such as DvbWorld PCI2002.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index 5deb8a5..c719b7f 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -52,3 +52,4 @@
 obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o
 obj-$(CONFIG_DVB_AF9013) += af9013.o
 obj-$(CONFIG_DVB_CX24116) += cx24116.o
+obj-$(CONFIG_DVB_SI21XX) += si21xx.o