compatible must be qcom,idle-state-spc AND arm,idle-state.

Fixes: d468f825 ("ARM: dts: qcom: msm8916: Add include for SMP without PSCI on ARM32")
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20231202234832.155306-3-david@ixit.czSigned-off-by: Bjorn Andersson <andersson@kernel.org>