Adds ccdc hw module for DM355 CCDC. This registers with the bridge
driver a set of hw_ops for configuring the CCDC for a specific
decoder device connected to vpfe.

Reviewed by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed by: Laurent Pinchart <laurent.pinchart@skynet.be>
Reviewed by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>