arm64: dts: qcom: sm8350: Add LLCC node

Configure the Last-Level Cache Controller for SM8350.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211114012755.112226-16-konrad.dybcio@somainline.org