scsi: qedf: Increase the number of default FIP VLAN request retries to 60

Some configurations need more than 30 seconds to respond to a FIP VLAN
request so increase the default to 60 seconds.

Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>