iommu/tegra: smmu: Cleanup with lesser nest
iommu/tegra: smmu: Cleanup with lesser nest

Small clean up with lesser nest for readability.

Signed-off-by: Hiroshi Doyu <7e37d737f0c384c0dce297667d084735fade9098@nvidia.com>
Signed-off-by: Joerg Roedel <ebd221a096cbc71dd9e1991db28795933c85f380@amd.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs