wlan: Add Dhcp server offload feature

Add support to set the dhcp server offload.
dhcp info such as DHCP enable, server ip address,
number of clients, and start address of dhcp pool
will be sent to firmware.

Change-Id: Id24c355820287d77b0e4200b86b42fe80e6cd4f8
CRs-Fixed: 1091422
diff --git a/CORE/SME/inc/sme_Api.h b/CORE/SME/inc/sme_Api.h
index e1e50db..48e19fd 100644
--- a/CORE/SME/inc/sme_Api.h
+++ b/CORE/SME/inc/sme_Api.h
@@ -3980,4 +3980,9 @@
         struct tSirSapOffloadInfo *sap_auth_offload_info);
 
 #endif /* SAP_AUTH_OFFLOAD */
+#ifdef DHCP_SERVER_OFFLOAD
+eHalStatus sme_set_dhcp_srv_offload(tHalHandle hal,
+				    sir_dhcp_srv_offload_info_t *dhcp_srv_info);
+#endif /* DHCP_SERVER_OFFLOAD */
+
 #endif //#if !defined( __SME_API_H )