arm64: dts: qcom: sm8350: Add redistributor stride to GICv3

The redistributor properties were missing. Add them.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211114012755.112226-3-konrad.dybcio@somainline.org