wlan: Add support for configuration of AKM suite

Changes to allow setting the configuration item for
AKM suite (wpa_key_mgmt) in hostapd
configuration file.  This is needed for PMF
(802.11w) to add SHA256 to the list when
necessary.

Change-Id: Ia6fd4976241fb11525f4be6c11801b9c471d4427
CRs-Fixed: 523705

softap/sdk/qsap_api.h

@@ -323,6 +323,7 @@ typedef enum esap_cmd {
     eCMD_SET_CHANNEL_RANGE   = 62,
     eCMD_GET_AUTO_CHANNEL    = 63,
     eCMD_IEEE80211W          = 64,
+    eCMD_WPA_KEY_MGMT        = 65,
 
     eCMD_LAST     /** New command numbers should be added above this */
 } esap_cmd_t;