This patch add support for X552 XFI backplane interface. The XFI
backplane requires a custom tuned link. HW/FW owns the link config
for XF backplane and SW must not interfere with it.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Krishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26242766
(cherry picked from commit 18e01ee75f4533cddd774b8618e20d26d7d0d958) Signed-off-by: Jack Vogel <jack.vogel@oracle.com> Reviewed-by: Ethan Zhao <ethan.zhao@oracle.com>