[SCSI] mpt fusion: update Kconfig help

Update help in Kconfig for mptfc driver to indicate the driver supports
Brocade FC 4G HBA.

signed-off-by: Gwendal Grignou <ggrignou@brocade.com>
Acked-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/message/fusion/Kconfig

@@ -37,6 +37,7 @@ config FUSION_FC
 	  LSIFC929
 	  LSIFC929X
 	  LSIFC929XL
+	  Brocade FC 410/420
 
 config FUSION_SAS
 	tristate "Fusion MPT ScsiHost drivers for SAS"