[RFC PATCH v5] media: mediatek: vcodec: support stateless AV1 decoder

[Daniel Almeida]

Hi Xiaoyong!

I have tested this and arrived at the same Fluster score:

173/239 - AOM
11/13 - Chromium 8bit

Reviewed-by: Daniel Almeida <daniel.almeida at collabora.com>
Tested-by: Daniel Almeida <daniel.almeida at collabora.com>