mac802154: llsec: fix device deletion from list

This patch adds a missing list_del when a device description will be
deleted.

Cc: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c
index 985e939..7799d3c 100644
--- a/net/mac802154/llsec.c
+++ b/net/mac802154/llsec.c
@@ -401,6 +401,7 @@
 
 	hash_del_rcu(&pos->bucket_s);
 	hash_del_rcu(&pos->bucket_hw);
+	list_del_rcu(&pos->dev.list);
 	call_rcu(&pos->rcu, llsec_dev_free_rcu);
 
 	return 0;