[PATCH 2/9] S/390: Use enabled attribute overrides to disable alternatives.

So far whenever we wanted to disable an alternative we have used mode attributes emitting constraints matching an earlier alternative assuming that due to this the later alternative will never be chosen. With this patch the `enabled' attribute, which so far is only set from `cpu_facility', is over

[PATCH 2/9] S/390: Use enabled attribute overrides to disable alternatives.

So far whenever we wanted to disable an alternative we have used mode attributes emitting constraints matching an earlier alternative assuming that due to this the later alternative will never be chosen. With this patch the `enabled' attribute, which so far is only set from `cpu_facility', is over