[media] doc-rst: add opera-firmware.rst to DVB docs

This file is shown OK with ReST. Yet, as we changed the
place where the get_dvb_firmware script is, we need to
update it.

While here, move the author's name to the beginning of the
file.
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/dvb-drivers/index.rst

@@ -26,4 +26,5 @@ License".
 	dvb-usb
 	faq
 	lmedm04
+	opera-firmware
 	contributors

Documentation/media/dvb-drivers/opera-firmware.rst

+Opera firmware
+==============
+
+Author: Marco Gittler <g.marco@freenet.de>
+
 To extract the firmware for the Opera DVB-S1 USB-Box
 you need to copy the files:
 
@@ -6,9 +11,11 @@ you need to copy the files:
 
 from the windriver disk into this directory.
 
-Then run
+Then run:
+
+.. code-block:: none
 
-./get_dvb_firmware opera1
+	scripts/get_dvb_firmware opera1
 
 and after that you have 2 files:
 
@@ -22,6 +29,3 @@ Copy them into /lib/firmware/ .
 After that the driver can load the firmware
 (if you have enabled firmware loading
 in kernel config and have hotplug running).
-
-
-Marco Gittler <g.marco@freenet.de>