fcoe: use defines from ethtool for 20Gbit and 40Gbit speeds

Use defines from ethtool for 20Gbit and 40Gbit speeds instead of magic
numbers.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
1 file changed