V4L/DVB (12917): DocBook/media: add V4L2_PIX_FMT_TM6000

This is a proprietary format found with Trident tm6000 series of
chipsets.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/DocBook/v4l/pixfmt.xml

@@ -777,6 +777,11 @@ kernel sources in the file <filename>Documentation/video4linux/cx2341x/README.hm
 url="http://www.thedirks.org/winnov/">
 http://www.thedirks.org/winnov/</ulink></para></entry>
 	  </row>
+	  <row id="V4L2-PIX-FMT-TM6000">
+	    <entry><constant>V4L2_PIX_FMT_TM6000</constant></entry>
+	    <entry>'TM60'</entry>
+	    <entry><para>Used by Trident tm6000</para></entry>
+	  </row>
 	  <row id="V4L2-PIX-FMT-YYUV">
 	    <entry><constant>V4L2_PIX_FMT_YYUV</constant></entry>
 	    <entry>'YYUV'</entry>