qsap: Support to configured Vendor IE elements in hostapd.conf.

With this commit, able to configured vendor_elements and
assocresp_elements in hostapd.conf file.
i.e
  qdc softap qccmd set vendor_elements=<Values>
  qdc softap qccmd set assocresp_elements=<Values>

Change-Id: Ib67413779a347c6567ab093bf84f87b1b63cc7db
CRs-Fixed: 2197458

softap/sdk/qsap_api.h

@@ -348,6 +348,8 @@ typedef enum esap_cmd {
     eCMD_SSID2               = 74,
     eCMD_BRIDGE              = 75,
     eCMD_CTRL_INTERFACE      = 76,
+    eCMD_VENDOR_ELEMENT      = 77,
+    eCMD_ASSOCRESP_ELEMENT   = 78,
 
     eCMD_LAST     /** New command numbers should be added above this */
 } esap_cmd_t;