Revert "Revert "driver core: Set fw_devlink=on by default""

This reverts commit 3e4c982f

.

Since all reported issues due to fw_devlink=on should be addressed by
this series, revert the revert. fw_devlink=on Take II.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210302211133.2244281-4-saravanak@google.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>