V4L/DVB (12761): DocBook: add media API specs

The V4L and DVB API's are there for a long time. however, up to now,
no efforts were done to merge them to kernel DocBook.

This patch adds the current versions of the specs as an unique compendium.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/Documentation/DocBook/dvb/net.xml b/Documentation/DocBook/dvb/net.xml
new file mode 100644
index 0000000..94e388d
--- /dev/null
+++ b/Documentation/DocBook/dvb/net.xml
@@ -0,0 +1,12 @@
+<title>DVB Network API</title>
+<para>The DVB net device enables feeding of MPE (multi protocol encapsulation) packets
+received via DVB into the Linux network protocol stack, e.g. for internet via satellite
+applications. It can be accessed through <emphasis role="tt">/dev/dvb/adapter0/net0</emphasis>. Data types and
+and ioctl definitions can be accessed by including <emphasis role="tt">linux/dvb/net.h</emphasis> in your
+application.
+</para>
+<section id="dvb_net_types">
+<title>DVB Net Data Types</title>
+<para>To be written&#x2026;
+</para>
+</section>