V4L/DVB (13493): TeVii S470 and TBS 6920 fixes

 The new hardware design applied for this cards.
Silicon Labs C8051F300 microcontroller is used for LNB power control.
It connected to cx23885 GPIO pins:
 GPIO0 - P0.3 data
 GPIO1 - P0.2 reset
 GPIO2 - P0.1 clk
 GPIO3 - P0.0 busy
 Tevii S470 based on Montage Technology M88TS2020 digital satellite tuner
and M88DS3000 advanced DVB-S/S2 demodulator.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/Kconfig

@@ -201,6 +201,13 @@ config DVB_SI21XX
 	help
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
 
+config DVB_DS3000
+	tristate "Montage Tehnology DS3000 based"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-S/S2 tuner module. Say Y when you want to support this frontend.
+
 comment "DVB-T (terrestrial) frontends"
 	depends on DVB_CORE
 

drivers/media/dvb/frontends/Makefile

@@ -78,3 +78,4 @@ obj-$(CONFIG_DVB_STV090x) += stv090x.o
 obj-$(CONFIG_DVB_STV6110x) += stv6110x.o
 obj-$(CONFIG_DVB_ISL6423) += isl6423.o
 obj-$(CONFIG_DVB_EC100) += ec100.o
+obj-$(CONFIG_DVB_DS3000) += ds3000.o