ibmvnic: add comments for spinlock_t definitions

There are several spinlock_t definitions without comments.
Add them.

Signed-off-by: Lijun Pan <lijunp213@gmail.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lijun Pan 2021-02-11 00:43:23 -06:00 • committed by David S. Miller
commit a369d96ca5