video: ipuv3: remove some useless code to reduce binary size

To enable DM_VIDEO we must decrease binary size to fix build
breakage for some boards, so drop not needed code. Also add
!DM_VIDEO guards which can be later removed when last non DM
users will be converted.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2 files changed