media: venus: handle peak bitrate set property

Max bitrate property is not supported for venus version 4xx.
Return unsupported from packetization layer. Handle it in
hfi_venus layer to exit gracefully to venc layer.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>