qcacmn: Add FTM build flags

Add FTM flags to enable/disable FTM and enable NL80211 only, enable TX99
only or both.

Change-Id: I18bbbadd65d23221dc4d739e05235f4d81c12043
CRs-Fixed: 2240572

os_if/linux/ftm/src/wlan_cfg80211_ftm.c

@@ -130,12 +130,8 @@ wlan_cfg80211_ftm_rx_event(struct wlan_objmgr_pdev *pdev,
 	}
 
 	ftm_debug("Testmode response event generated");
-#ifdef CONFIG_NL80211_TESTMODE
 	skb = cfg80211_testmode_alloc_event_skb(pdev_ospriv->wiphy,
 						len, GFP_ATOMIC);
-#else
-	return QDF_STATUS_E_INVAL;
-#endif
 	if (!skb)
 		return QDF_STATUS_E_NOMEM;
 
@@ -144,9 +140,8 @@ wlan_cfg80211_ftm_rx_event(struct wlan_objmgr_pdev *pdev,
 		nla_put(skb, WLAN_CFG80211_FTM_ATTR_DATA, len, data)) {
 		goto nla_put_failure;
 	}
-#ifdef CONFIG_NL80211_TESTMODE
 	cfg80211_testmode_event(skb, GFP_ATOMIC);
-#endif
+
 	return QDF_STATUS_SUCCESS;
 
 nla_put_failure: