[SCSI] bfa: Added support to query PHY.

- Added PHY sub-module.
- Implemented interface to obtain stats and to
  read/update the fw from the PHY module.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/bfa/bfa_modules.h

@@ -43,6 +43,7 @@ struct bfa_modules_s {
 	struct bfa_sfp_s	sfp;		/*  SFP module	*/
 	struct bfa_flash_s	flash;		/*  flash module */
 	struct bfa_diag_s	diag_mod;	/*  diagnostics module	*/
+	struct bfa_phy_s	phy;		/*  phy module		*/
 };
 
 /*