qcacmn: Add support for GMAC offload

Add support for GMAC offload capability wmi_service_gmac_offload_support

Change-Id: I4a2e5c52aae630f82294dcaea6cc7c23886dcd8a
CRs-Fixed: 2185825

wmi_unified_tlv.c

@@ -23001,6 +23001,8 @@ static void populate_tlv_service(uint32_t *wmi_service)
 				WMI_SERVICE_AP_OBSS_DETECTION_OFFLOAD;
 	wmi_service[wmi_service_bss_color_offload] =
 				WMI_SERVICE_BSS_COLOR_OFFLOAD;
+	wmi_service[wmi_service_gmac_offload_support] =
+				WMI_SERVICE_GMAC_OFFLOAD_SUPPORT;
 
 }