nl80211/cfg80211: add max_sched_scan_ssids in the hw description

Some chips can scan more SSIDs with a single scheduled scan command
than with a single normal scan command (eg. wl12xx chips).

To support this, this patch creates a separate hardware description
element that describes the amount of SSIDs supported in scheduled
scans.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index c5f577e..159dda9 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -756,6 +756,8 @@
  *
  * @NL80211_ATTR_MAX_NUM_SCAN_SSIDS: number of SSIDs you can scan with
  *	a single scan request, a wiphy attribute.
+ * @NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS: number of SSIDs you can
+ *	scan with a single scheduled scan request, a wiphy attribute.
  * @NL80211_ATTR_MAX_SCAN_IE_LEN: maximum length of information elements
  *	that can be added to a scan request
  *
@@ -1210,6 +1212,8 @@
 
 	NL80211_ATTR_REKEY_DATA,
 
+	NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,