wl12xx: add system_hlid

system_hlid is a const hlid (always 0), used by the fw and driver
for packets which are not bound to specific role (e.g. dynamic
memory packets).
indicate it as always allocated.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 93e689d..089304d 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -141,6 +141,7 @@
 #define WL12XX_MAX_LINKS           8
 #define WL12XX_INVALID_ROLE_ID     0xff
 #define WL12XX_INVALID_LINK_ID     0xff
+#define WL12XX_SYSTEM_HLID         0
 #define WL1271_AP_GLOBAL_HLID      0
 #define WL1271_AP_BROADCAST_HLID   1
 #define WL1271_AP_STA_HLID_START   2
@@ -395,6 +396,7 @@
 	int channel;
 	u8 role_id;
 	u8 dev_role_id;
+	u8 system_hlid;
 	u8 sta_hlid;
 	u8 dev_hlid;