dt-bindings: arm: msm: Add LLCC compatible for SM8550

Add LLCC compatible for SM8550 SoC.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221116113005.2653284-3-abel.vesa@linaro.org