i40e: Save more link abilities when using ethtool

i40e: Save more link abilities when using ethtool

Ethtool support needs to save more PHY information. The
added information includes FEC capabilities and 25G link
types. Without this change it is possible to lose 25G or
FEC settings by using ethtool.

Change-ID: Ie42255b1e901ffbf9583b8c46466a54894114280
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26132523
(cherry picked from commit b7eaf8f16e87c3896e9b8c0b2e54d71210d43b48)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Brian Maly <brian.maly@oracle.com>