wlan: Fix build failure when TDLS is not enabled

Currently when the driver is built with TDLS disabled, some
TDLS-related code is still being included in the build, leading
to a compilation failure.  To prevent this, only enable
WLAN_FEATURE_TDLS_DEBUG if the TDLS feature is enabled.

Change-Id: I87f37068ad849db45592a477705156bc246c0de6
diff --git a/Kbuild b/Kbuild
index 91cfce9..3fc8592 100644
--- a/Kbuild
+++ b/Kbuild
@@ -524,7 +524,6 @@
 		-DWLAN_FEATURE_VOWIFI \
 		-DWLAN_FEATURE_11AC \
 		-DWLAN_FEATURE_P2P_DEBUG \
-                -DWLAN_FEATURE_TDLS_DEBUG \
 		-DWLAN_ENABLE_AGEIE_ON_SCAN_RESULTS \
 		-DWLANTL_DEBUG\
 		-DWLAN_ACTIVEMODE_OFFLOAD_FEATURE \
@@ -567,6 +566,7 @@
 #normally, TDLS negative behavior is not needed
 ifeq ($(CONFIG_QCOM_TDLS),y)
 CDEFINES += -DFEATURE_WLAN_TDLS
+CDEFINES += -DWLAN_FEATURE_TDLS_DEBUG
 CDEFINES += -DCONFIG_TDLS_IMPLICIT
 #CDEFINES += -DFEATURE_WLAN_TDLS_NEGATIVE
 #Code under FEATURE_WLAN_TDLS_INTERNAL is ported from volans, This code