i40e: print neato new features

i40e: print neato new features

Orabug: 22342532

To help users and developers know what compile options
and hardware features are enabled at compile time, print
VxLAN is available.

Change-ID: I3162f3b7678dc725a597f964217920eb218b480b
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit ce6fcb3f2467902b48e59d1c866c5b4c9f6136eb)
Signed-off-by: Brian Maly <brian.maly@oracle.com>