wl12xx: implement scheduled scan driver operations and reporting

This patch adds the mac80211 operations for scheduled scan and the
scheduled scan results reporting.

Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index dc110e8..1e4bd6a 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -191,11 +191,17 @@
 	if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
 		wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_REPORT_EVENT "
 			     "(status 0x%0x)", mbox->scheduled_scan_status);
+
+		wl1271_scan_sched_scan_results(wl);
 	}
 
 	if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) {
 		wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT "
 			     "(status 0x%0x)", mbox->scheduled_scan_status);
+		if (wl->sched_scanning) {
+			wl1271_scan_sched_scan_stop(wl);
+			ieee80211_sched_scan_stopped(wl->hw);
+		}
 	}
 
 	/* disable dynamic PS when requested by the firmware */