UPSTREAM: KVM: arm64: vgic-v3: Sanitise guest writes to GICR_INVLPIR

Make sure we filter out non-LPI invalidation when handling writes
to GICR_INVLPIR.

Bug: 254441685
Fixes: 4645d11f ("KVM: arm64: vgic-v3: Implement MMIO-based LPI invalidation")
Reported-by: Alexander Potapenko <glider@google.com>
Tested-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20241117165757.247686-2-maz@kernel.org


Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
(cherry picked from commit d561491b)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: I6b36dbcc25b083d06b751b61a7f1e7c36afc6516