[media] doc-rst: convert ttusb-dev to rst

There are some things that needed to be done to convert
it to ReST. Also, there are some obsolete info there
related to Kernels 2.4 and 2.6. Update them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/dvb-drivers/index.rst

@@ -28,4 +28,5 @@ License".
 	lmedm04
 	opera-firmware
 	technisat
+	ttusb-dec
 	contributors

Documentation/media/dvb-drivers/ttusb-dec.rst

@@ -5,41 +5,39 @@ Driver Status
 -------------
 
 Supported:
-	DEC2000-t
-	DEC2450-t
-	DEC3000-s
-	Linux Kernels 2.4 and 2.6
-	Video Streaming
-	Audio Streaming
-	Section Filters
-	Channel Zapping
-	Hotplug firmware loader under 2.6 kernels
+
+	- DEC2000-t
+	- DEC2450-t
+	- DEC3000-s
+	- Video Streaming
+	- Audio Streaming
+	- Section Filters
+	- Channel Zapping
+	- Hotplug firmware loader
 
 To Do:
-	Tuner status information
-	DVB network interface
-	Streaming video PC->DEC
-	Conax support for 2450-t
+
+	- Tuner status information
+	- DVB network interface
+	- Streaming video PC->DEC
+	- Conax support for 2450-t
 
 Getting the Firmware
 --------------------
 To download the firmware, use the following commands:
-"get_dvb_firmware dec2000t"
-"get_dvb_firmware dec2540t"
-"get_dvb_firmware dec3000s"
 
+.. code-block:: none
 
-Compilation Notes for 2.4 kernels
----------------------------------
-For 2.4 kernels the firmware for the DECs is compiled into the driver itself.
+	scripts/get_dvb_firmware dec2000t
+	scripts/get_dvb_firmware dec2540t
+	scripts/get_dvb_firmware dec3000s
 
-Copy the three files downloaded above into the build-2.4 directory.
 
+Hotplug Firmware Loading
+------------------------
 
-Hotplug Firmware Loading for 2.6 kernels
-----------------------------------------
-For 2.6 kernels the firmware is loaded at the point that the driver module is
-loaded.  See linux/Documentation/dvb/firmware.txt for more information.
+Since 2.6 kernels, the firmware is loaded at the point that the driver module
+is loaded.
 
 Copy the three files downloaded above into the /usr/lib/hotplug/firmware or
 /lib/firmware directory (depending on configuration of firmware hotplug).