soc: qcom: llcc: Use designated initializers for LLC settings

soc: qcom: llcc: Use designated initializers for LLC settings

The current way of storing the configuration is very much
unmaintainable. Convert the data to use designated initializers to make
it easier both to understand and add/update the slice configuration
data.

Signed-off-by: Konrad Dybcio <quic_kdybcio@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240910-topic-llcc_unwrap-v2-1-f0487c983373@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>