arm64: dts: qcom: sm8550: Use correct CPU compatibles

Use the correct compatibles for the four kinds of CPU cores used on
SM8550, based on the value of their MIDR_EL1 registers:

CPU7: 0x411fd4e0 - CX3 r1p1
CPU5-6: 0x412fd470 - CA710 r?p?
CPU3-4: 0x411fd4d0 - CA715 r?p?
CPU0-2: 0x411fd461 - CA510 r?p?

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230216110803.3945747-2-konrad.dybcio@linaro.org