iommu/arm-smmu-v3: Do not ATC invalidate the entire domain

At this point we know which master we are going to change the PCI config
on, this is the only device we need to invalidate. Switch
arm_smmu_atc_inv_domain() for arm_smmu_atc_inv_master().

Tested-by: Nicolin Chen <[email protected]>
Tested-by: Shameer Kolothum <[email protected]>
Reviewed-by: Michael Shavit <[email protected]>
Reviewed-by: Nicolin Chen <[email protected]>
Reviewed-by: Moritz Fischer <[email protected]>
Reviewed-by: Mostafa Saleh <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>

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