media: docs: uAPI: fix table output in LaTeX/PDF format

There are lots of tables that are not properly displayed
in LaTeX/PDF.

Fix the tablecolumns, add longtable where needed and LaTeX
formatting macros, in order to address such issues.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/userspace-api/media/v4l/diff-v4l.rst

@@ -72,7 +72,11 @@ and radio devices supporting a set of related functions like video
 capturing, video overlay and VBI capturing. See :ref:`open` for an
 introduction.
 
-.. tabularcolumns:: |p{5.5cm}|p{6.5cm}|p{5.5cm}
+.. raw:: latex
+
+   \small
+
+.. tabularcolumns:: |p{5.3cm}|p{6.7cm}|p{5.3cm}|
 
 .. cssclass:: longtable
 
@@ -148,6 +152,10 @@ introduction.
       - ``-``
       - See above.
 
+.. raw:: latex
+
+   \normalsize
+
 The ``audios`` field was replaced by ``capabilities`` flag
 ``V4L2_CAP_AUDIO``, indicating *if* the device has any audio inputs or
 outputs. To determine their number applications can enumerate audio