hw/arm/virt: Make accels in GIC finalize logic explicit

hw/arm/virt: Make accels in GIC finalize logic explicit

Let's explicitly list out all accelerators that we support when trying to
determine the supported set of GIC versions. KVM was already separate, so
the only missing one is HVF which simply reuses all of TCG's emulation
code and thus has the same compatibility matrix.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221223090107.98888-3-agraf@csgraf.de
[PMM: Added qtest to the list of accelerators]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>