arm64: dts: qcom: sc8180x: Fix aoss_qmp node

The #power-domains property is no longer accepted according to the AOSS
QMP binding, drop it from the node.

Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240525-sc8180x-aop-validation-fix-v1-1-66cfa3c9ccf6@quicinc.com


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