The SBA_REQUEST_STATE_RECEIVED state is now redundant because
received sba_request are immediately freed or moved to completed
list in sba_process_received_request().

This patch removes redundant SBA_REQUEST_STATE_RECEIVED state.
Signed-off-by: NAnup Patel <anup.patel@broadcom.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>