media: coda: jpeg: merge Huffman table bits and values

The Huffman bits tables are always 16 bytes long, and they are always
followed directly by the values tables, both in hardware and in JPEG
files. Just merge the two tables.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>