devlink: add forgotten devlink instance lock assertion to devl_param_driverinit_value_set()

Driver calling devl_param_driverinit_value_set() has to hold devlink
instance lock while doing that. Put an assertion there.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/devlink/leftover.c

@@ -9681,6 +9681,8 @@ void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
 {
 	struct devlink_param_item *param_item;
 
+	devl_assert_locked(devlink);
+
 	param_item = devlink_param_find_by_id(&devlink->params, param_id);
 	if (WARN_ON(!param_item))
 		return;