[SCSI] bfa: IOC changes: Support faster recovery and split bfa_ioc.c into ASIC specific code.

Add support for faster IOC recovery after failure.

Split bfa_ioc.c into three files:
  bfa_ioc.c:    Common code shared between crossbow and catapult ASIC's.

  bfa_ioc_cb.c: Code specific to the crossbow, reg mapping and
                interrupt related routines.

  bfa_ioc_ct.c: Code specific to the catapult, reg mapping and
                interrupt related routines.

Fix to make sure IOC reinitialize's properly on enable request -
update the ioc_fwstate reg with BFI_IOC_FAIL on ioc disable mbox cmd
timeout.

Makefile changes to support the 2 newly added files bfa_ioc_cb.c and
bfa_ioc_ct.c.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/include/bfa.h b/drivers/scsi/bfa/include/bfa.h
index d4bc0d9..942ae64 100644
--- a/drivers/scsi/bfa/include/bfa.h
+++ b/drivers/scsi/bfa/include/bfa.h
@@ -161,6 +161,7 @@
 void bfa_iocfc_enable(struct bfa_s *bfa);
 void bfa_iocfc_disable(struct bfa_s *bfa);
 void bfa_ioc_auto_recover(bfa_boolean_t auto_recover);
+void bfa_chip_reset(struct bfa_s *bfa);
 void bfa_cb_ioc_disable(void *bfad);
 void bfa_timer_tick(struct bfa_s *bfa);
 #define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout)	\