iommu/arm-smmu-qcom: Sort the compatible list alphabetically

It got broken at some point, fix it up.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230810-topic-lost_smmu_compats-v1-1-64a0d8749404@linaro.org


Signed-off-by: Will Deacon <will@kernel.org>