Define BSS Load element id

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

src/common/ieee802_11_defs.h

@@ -203,6 +203,7 @@
 #define WLAN_EID_TIM 5
 #define WLAN_EID_IBSS_PARAMS 6
 #define WLAN_EID_COUNTRY 7
+#define WLAN_EID_BSS_LOAD 11
 #define WLAN_EID_CHALLENGE 16
 /* EIDs defined by IEEE 802.11h - START */
 #define WLAN_EID_PWR_CONSTRAINT 32