FROMLIST: KVM: arm64: Kill 32-bit vCPUs on systems with mismatched EL0 support

If a vCPU is caught running 32-bit code on a system with mismatched
support at EL0, then we should kill it.

Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Bug: 178507149
Link: https://lore.kernel.org/linux-arch/20201208132835.6151-4-will@kernel.org/


Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: Ica5929e242482be530a87d4e2de9e5554c418561