media: docs: Fix data organization of MEDIA_BUS_FMT_RGB101010_1X30

The media bus bit width of MEDIA_BUS_FMT_RGB101010_1X30 is 30.
So, 'Bit31' and 'Bit30' cells for the 'MEDIA_BUS_FMT_RGB101010_1X30'
row should be spaces instead of '0's.

Fixes: 54f38fca ("media: docs: move uAPI book to userspace-api/media")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/userspace-api/media/v4l/subdev-formats.rst

@@ -1571,8 +1571,8 @@ The following tables list existing packed RGB formats.
       - MEDIA_BUS_FMT_RGB101010_1X30
       - 0x1018
       -
-      - 0
-      - 0
+      -
+      -
       - r\ :sub:`9`
       - r\ :sub:`8`
       - r\ :sub:`7`