KVM: x86: Select CONFIG_HAVE_KVM_DIRTY_RING_ACQ_REL

Since x86 is TSO (give or take), allow it to advertise the new
ACQ_REL version of the dirty ring capability. No other change is
required for it.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20220926145120.27974-4-maz@kernel.org