WNM: AP configuration to allow BSS max idle period requests

Add a new hostapd configuration parameter max_acceptable_idle_period to
allow the AP to accept per-STA requested BSS max idle periods.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>

src/ap/sta_info.h

@@ -332,6 +332,9 @@ struct sta_info {
 	struct mld_info mld_info;
 	u8 mld_assoc_link_id;
 #endif /* CONFIG_IEEE80211BE */
+
+	u16 max_idle_period; /* if nonzero, the granted BSS max idle period in
+			      * units of 1000 TUs */
 };