media: platform: add mtk-vcodec driver for mt8167

Add a new driver for MT8167 vcodec. Making the driver works for
both MT8173 and MT8167 is a bit tricky since the VPU/VCU protocol
for both SoC is not exactly the same.
For now let's add another driver.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
32 files changed