net: sched: fix missing doc annotations

"make htmldocs" complains otherwise:

.//net/core/gen_stats.c:168: warning: No description found for parameter 'running'
.//include/linux/netdevice.h:1867: warning: No description found for parameter 'qdisc_running_key'

Fixes: f9eb8aea2a1e ("net_sched: transform qdisc running bit into a seqcount")
Fixes: edb09eb17ed8 ("net: sched: do not acquire qdisc spinlock in qdisc/class stats dump")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 59d7e06..5415623 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1594,7 +1594,8 @@
  *	@phydev:	Physical device may attach itself
  *			for hardware timestamping
  *
- *	@qdisc_tx_busylock:	XXX: need comments on this one
+ *	@qdisc_tx_busylock: lockdep class annotating Qdisc->busylock spinlock
+ *	@qdisc_running_key: lockdep class annotating Qdisc->running seqcount
  *
  *	@proto_down:	protocol port state information can be sent to the
  *			switch driver and used to set the phys state of the
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index d9c210c..32207e6 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -150,6 +150,7 @@
 
 /**
  * gnet_stats_copy_basic - copy basic statistics into statistic TLV
+ * @running: seqcount_t pointer
  * @d: dumping handle
  * @cpu: copy statistic per cpu
  * @b: basic statistics