[media] Add driver for Samsung S3C64xx video postprocessor

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
ARM: dts: s3c64xx: Enable video postprocessor

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
ARM: dts: s3c64xx: Add node for video codec

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
[WiP][media] Add new driver for CODA multi-standard video codec IP

This is a work in progress, so the driver is not supposed to be
fully operational yet.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>