qcacld-3.0: Add vendor command for TSF operations

Update TSF feature for vendor command QCA_NL80211_VENDOR_SUBCMD_TSF
to support TSF operations.

Change-Id: I89abf14b9b7d8ee8fe1c12f7684c87e4dee9bfb0
CRs-fixed: 997799
diff --git a/Kbuild b/Kbuild
index 5440b8a..f2764c9 100755
--- a/Kbuild
+++ b/Kbuild
@@ -134,6 +134,9 @@
 	#Flag to enable offload packets feature
 	CONFIG_WLAN_OFFLOAD_PACKETS := y
 
+	#enable TSF get feature
+	CONFIG_WLAN_SYNC_TSF := y
+
 	#Flag to enable memdump feature
 	CONFIG_WLAN_FEATURE_MEMDUMP := y