devlink: Spelling corrections

Make some minor spelling corrections in comments.

Found by inspection.

Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230526-devlink-spelling-v1-1-9a3e36cdebc8@kernel.org


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