arm64: dts: qcom: sc8280xp: Use correct CPU compatibles

Cores 0-3 are CA78C r0p0, cores 4-7 are CX1C r0p0. Use the correct
compatibles instead of the placeholder qcom,kryo.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230224130759.45579-2-konrad.dybcio@linaro.org