BACKPORT: FROMLIST: iommu/arm-smmu-v3-kvm: Support command queue batching

Similar to the kernel driver, we can batch commands at EL2 to avoid
writing to MMIO space, this is quite noticable if the SMMU doesn't
support range invalidation so it has to invalidate page per page.

Link: https://lore.kernel.org/all/20241212180423.1578358-59-smostafa@google.com/



Bug: 357781595
Bug: 384432312

Change-Id: I8bc4ad1448add1d43c6320cc79531929c129ded2
Signed-off-by: Mostafa Saleh <smostafa@google.com>