Merge branch 'add-devlink-health-reporters-for-nix-block'

George Cherian says:

====================
Add devlink health reporters for NIX block

Devlink health reporters are added for the NIX block.

Address Jakub's comment to add devlink support for error reporting.
https://www.spinics.net/lists/netdev/msg670712.html

This series is in continuation to
https://www.spinics.net/lists/netdev/msg707798.html

Added Documentation for the same.
====================

Link: https://lore.kernel.org/r/20210119100120.2614730-1-george.cherian@marvell.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>