- Made changes to always acknowledge RME interrupt and update
  consumer index (CI) when RME interrupt is generated.
- Made changes to have ASIC specific hw_rspq_ack() handler.
Signed-off-by: NKrishna Gudipati <kgudipat@brocade.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>