arm64: dts: qcom: sa8775p: add support for video node

Video node enables video on Qualcomm SA8775P platform.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Link: https://lore.kernel.org/r/20250421-dtbinding-v5-2-363c1c05bc80@quicinc.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>