iommu/arm-smmu-qcom: Add SM6375 DPU compatible

Add the SM6375 DPU compatible to clients compatible list, as it also
needs the workarounds.

Acked-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-v1-2-64a0d8749404@linaro.org


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