[SCSI] fc_transport: fix old bug on bitflag definitions

When the fastfail flag was added, it did not account for the flags
being bit fields. Correct the definition so there is no longer a
conflict.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>