i40e: Add functions to blink led on 10GBaseT PHY

i40e: Add functions to blink led on 10GBaseT PHY

Orabug: 22342532

This patch adds functions to blink led on devices using
10GBaseT PHY since MAC registers used in other designs
do not work in this device configuration.

Change-ID: Id4b88c93c649fd2b88073a00b42867a77c761ca3
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit fd077cd3399b164548f538625f07f3e9f1d7ef00)
Signed-off-by: Brian Maly <brian.maly@oracle.com>