arm64: dts: qcom: sc7280: Add CDSP node

Add the node for the ADSP found on the SC7280 SoC, using standard
Qualcomm firmware.

Remove the reserved-memory node from sc7280-chrome-common since CDSP is
currently not used there.

Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20231208-sc7280-remoteprocs-v3-9-6aa394d33edf@fairphone.com


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