[SCSI] qla2xxx: remove the unused SCSI_QLOGIC_FC_FIRMWARE option

This option was forgotten when the SCSI_QLOGIC_FC driver was removed.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>