arm64: dts: qcom: sm8250: Add cpuidle states

This change adds various idle states and add devices to power domains.

Cc: devicetree@vger.kernel.org
Signed-off-by: Maulik Shah <quic_mkshah@quicinc.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1641749107-31979-3-git-send-email-quic_mkshah@quicinc.com