KVM: arm64: Fix RAS trapping in pKVM for protected VMs

Trap RAS in pKVM if not supported at all for protected VMs. The
RAS version doesn't matter in this case.

Fixes: 2a0c3433 ("KVM: arm64: Initialize trap registers for protected VMs")
Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20241216105057.579031-8-tabba@google.com


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