ixgbe: Fix reporting of 100Mb capability

ixgbe: Fix reporting of 100Mb capability

BaseT adapters that are capable of supporting 100Mb are not reporting this
capability.  This patch corrects the reporting so that 100Mb is shown as
supported on those adapters.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26242766
(cherry picked from commit f215266470dfe86196a31fe0725a86cea77f9a18)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Ethan Zhao <ethan.zhao@oracle.com>