Bluetooth: Add l2cap_chan_no_resume stub for A2MP

The A2MP client for L2CAP channels needs to use l2cap_chan_no_resume
empty stub function.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 377db2a..3d922b9 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -797,6 +797,10 @@
 {
 }
 
+static inline void l2cap_chan_no_resume(struct l2cap_chan *chan)
+{
+}
+
 static inline void l2cap_chan_no_set_shutdown(struct l2cap_chan *chan)
 {
 }