arm64: dts: qcom: add initial SM8650 dtsi

Add initial DTSI for the Qualcomm SM8650 platform,
only contains nodes which doesn't depend on interconnect.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231130-topic-sm8650-upstream-dt-v5-2-b25fb781da52@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>