arm64: Implement ioremap/iounmap hooks calling into KVM's MMIO guard

Implement the previously defined ioremap/iounmap hooks for arm64,
calling into KVM's MMIO guard if available.

Co-authored-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Fuad Tabba <tabba@google.com>
5 files changed