KVM: arm64: Teach address translation about access faults

It appears that our S1 PTW is completely oblivious of access faults.
Teach the S1 translation code about it.

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20250422122612.2675672-3-maz@kernel.org


Signed-off-by: Marc Zyngier <maz@kernel.org>