hw/s390x/s390-skeys: rename skeys_enabled to skeys_are_enabled

... and make it return a bool instead.

Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210903155514.44772-13-david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
3 files changed