ARM: dts: qcom: apq8064: use new compatible for SPS SIC device

Use new SoC-specific compatible to the SPS SIC in addition to the
"syscon" compatible and rename the node to follow the purpose of it.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250318-fix-nexus-4-v2-9-bcedd1406790@oss.qualcomm.com


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