Merge branch 'devlink-region-read-fixes'

Parav Pandit says:

====================
devlink: 2 fixes for devlink region read

This 2 patches consist of fixes for devlink region read handling.

v0->v1:
 - Fixed typo from user to use
v1->v2:
 - Rebased
====================

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>