V4L/DVB (10804): Add support for ST STV0900 dual demodulator.

Add last piece of code to support ST STV0900 dual demodulator.
The IC consist of two dependent parts.
It may use single or dual mode.
Signed-off-by: NIgor M. Liplianin <liplianin@netup.ru>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/Kconfig

@@ -90,6 +90,13 @@ config DVB_STV6110
 	  help
 	  A DVB-S silicon tuner module. Say Y when you want to support this tuner.
 
+config DVB_STV0900
+	tristate "ST STV0900 based"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-S/S2 demodulator. Say Y when you want to support this frontend.
+
 config DVB_TDA8083
 	tristate "Philips TDA8083 based"
 	depends on DVB_CORE && I2C

drivers/media/dvb/frontends/Makefile

@@ -7,6 +7,7 @@ EXTRA_CFLAGS += -Idrivers/media/common/tuners/
 
 s921-objs := s921_module.o s921_core.o
 stb0899-objs = stb0899_drv.o stb0899_algo.o
+stv0900-objs = stv0900_core.o stv0900_sw.o
 
 obj-$(CONFIG_DVB_PLL) += dvb-pll.o
 obj-$(CONFIG_DVB_STV0299) += stv0299.o
@@ -65,4 +66,5 @@ obj-$(CONFIG_DVB_STV0288) += stv0288.o
 obj-$(CONFIG_DVB_STB6000) += stb6000.o
 obj-$(CONFIG_DVB_S921) += s921.o
 obj-$(CONFIG_DVB_STV6110) += stv6110.o
+obj-$(CONFIG_DVB_STV0900) += stv0900.o