kvm: arm: Skip stage2 huge mappings for unaligned ipa backed by THP

kvm: arm: Skip stage2 huge mappings for unaligned ipa backed by THP

With commit b731e4668d2a05cc62a, we no longer ensure that the
THP page is properly aligned in the guest IPA. Skip the stage2
huge mapping for unaligned IPA backed by transparent hugepages.

Fixes: b731e4668d2a05cc62a ("KVM: arm/arm64: Enforce PTE mappings at stage2 when needed")
Reported-by: Eric Auger <eric.auger@redhat.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Chirstoffer Dall <christoffer.dall@arm.com>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Cc: Zheng Xiang <zhengxiang9@huawei.com>
Cc: Andrew Murray <andrew.murray@arm.com>
Cc: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>