dt-bindings: media: qcom,sm8550-iris: document SM8650 IRIS accelerator

dt-bindings: media: qcom,sm8550-iris: document SM8650 IRIS accelerator

Document the IRIS video decoder and encoder accelerator found in the
SM8650 platform, it requires 2 more reset lines in addition to the
properties required for the SM8550 platform.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e Dell
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>