arm64: dts: sdm845: Add video nodes

This adds video nodes to sdm845 based on the examples
in the bindings.

Tested-by: An\355bal Lim\363n <anibal.limon@linaro.org>
Reviewed-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Co-developed-by: Aniket Masule <amasule@codeaurora.org>
Signed-off-by: Aniket Masule <amasule@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>