qla2xxx: Add module parameter to enable/disable GFF_ID device type check.

qla2xxx: Add module parameter to enable/disable GFF_ID device type check.

commit 4da26e162b69d89c3186a35a052c05e61a555637 upstream.

Add the module parameter ql2xgffidenable to disable/enable the use of the
GFF_ID name server command to prevent non FCP SCSI devices from being added to
the driver's internal fc_port database.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>