dfc: QMAP based powersave

Support DFC powersave using extended QMAP powersave command.

Change-Id: I3055212d8ecfe461bf9a6b35488269a59d4dec52
Acked-by: Weiyi Chen <weiyic@qti.qualcomm.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>

core/rmnet_qmi.h

@@ -35,6 +35,9 @@ void rmnet_get_packets(void *port, u64 *rx, u64 *tx);
 int rmnet_get_powersave_notif(void *port);
 struct net_device *rmnet_get_real_dev(void *port);
 int rmnet_get_dlmarker_info(void *port);
+void rmnet_lock_unlock_all_flows(void *port, bool lock);
+void rmnet_get_disabled_flows(void *port, u8 *num_bearers, u8 *bearer_id);
+void rmnet_reset_enabled_flows(void *port);
 #else
 static inline void *rmnet_get_qmi_pt(void *port)
 {