hostapd: fix per-BSS airtime configuration

airtime_mode is always parsed as an empty string since it hasn't been
added into hostapd_common_add_device_config function.

Fixes: e289f183 ("hostapd: add support for per-BSS airtime configuration")
Signed-off-by: Dobroslaw Kijowski <[email protected]>

package/network/services/hostapd/Makefile

@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=hostapd
-PKG_RELEASE:=14
+PKG_RELEASE:=15
 
 PKG_SOURCE_URL:=http://w1.fi/hostap.git
 PKG_SOURCE_PROTO:=git

package/network/services/hostapd/files/hostapd.sh

@@ -102,6 +102,8 @@ hostapd_common_add_device_config() {
 	config_add_string acs_chan_bias
 	config_add_array hostapd_options
 
+	config_add_int airtime_mode
+
 	hostapd_add_log_config
 }