media: pixfmt-srggb12p.rst: better format the table for PDF output

Adjust the table to be better displayed on PDF output.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/uapi/v4l/pixfmt-srggb12p.rst

@@ -30,6 +30,7 @@ Below is an example of a small V4L2_PIX_FMT_SBGGR12P image:
 **Byte Order.**
 Each cell is one byte.
 
+.. tabularcolumns:: |p{2.0cm}|p{1.0cm}|p{1.0cm}|p{2.7cm}|p{1.0cm}|p{1.0cm}|p{2.7cm}|
 
 
 .. flat-table::
@@ -38,66 +39,48 @@ Each cell is one byte.
     :widths:       2 1 1 1 1 1 1
 
 
-    -  .. row 1
-
-       -  start + 0:
-
+    -  -  start + 0:
        -  B\ :sub:`00high`
-
        -  G\ :sub:`01high`
+       -  G\ :sub:`01low`\ (bits 7--4)
 
-       -  G\ :sub:`01low`\ (bits 7--4) B\ :sub:`00low`\ (bits 3--0)
-
+          B\ :sub:`00low`\ (bits 3--0)
        -  B\ :sub:`02high`
-
        -  G\ :sub:`03high`
+       -  G\ :sub:`03low`\ (bits 7--4)
 
-       -  G\ :sub:`03low`\ (bits 7--4) B\ :sub:`02low`\ (bits 3--0)
-
-    -  .. row 2
-
-       -  start + 6:
+          B\ :sub:`02low`\ (bits 3--0)
 
+    -  -  start + 6:
        -  G\ :sub:`10high`
-
        -  R\ :sub:`11high`
+       -  R\ :sub:`11low`\ (bits 7--4)
 
-       -  R\ :sub:`11low`\ (bits 7--4) G\ :sub:`10low`\ (bits 3--0)
-
+          G\ :sub:`10low`\ (bits 3--0)
        -  G\ :sub:`12high`
-
        -  R\ :sub:`13high`
+       -  R\ :sub:`13low`\ (bits 3--2)
 
-       -  R\ :sub:`13low`\ (bits 3--2) G\ :sub:`12low`\ (bits 3--0)
-
-    -  .. row 3
-
-       -  start + 12:
-
+          G\ :sub:`12low`\ (bits 3--0)
+    -  -  start + 12:
        -  B\ :sub:`20high`
-
        -  G\ :sub:`21high`
+       -  G\ :sub:`21low`\ (bits 7--4)
 
-       -  G\ :sub:`21low`\ (bits 7--4) B\ :sub:`20low`\ (bits 3--0)
-
+          B\ :sub:`20low`\ (bits 3--0)
        -  B\ :sub:`22high`
-
        -  G\ :sub:`23high`
+       -  G\ :sub:`23low`\ (bits 7--4)
 
-       -  G\ :sub:`23low`\ (bits 7--4) B\ :sub:`22low`\ (bits 3--0)
-
-    -  .. row 4
-
-       -  start + 18:
-
+          B\ :sub:`22low`\ (bits 3--0)
+    -  -  start + 18:
        -  G\ :sub:`30high`
-
        -  R\ :sub:`31high`
+       -  R\ :sub:`31low`\ (bits 7--4)
 
-       -  R\ :sub:`31low`\ (bits 7--4) G\ :sub:`30low`\ (bits 3--0)
-
+          G\ :sub:`30low`\ (bits 3--0)
        -  G\ :sub:`32high`
-
        -  R\ :sub:`33high`
+       -  R\ :sub:`33low`\ (bits 3--2)
 
-       -  R\ :sub:`33low`\ (bits 3--2) G\ :sub:`32low`\ (bits 3--0)
+          G\ :sub:`32low`\ (bits 3--0)