Allow MTP debug setting to stick through a reboot

Change-Id: I81eb5eaa2286c0ee3078e01304d65b9489f13bf2
diff --git a/data.cpp b/data.cpp
index 7b85d2c..1ffe0f9 100644
--- a/data.cpp
+++ b/data.cpp
@@ -999,6 +999,7 @@
 #ifdef TW_HAS_MTP
 	mConstValues.insert(make_pair("tw_has_mtp", "1"));
 	mValues.insert(make_pair("tw_mtp_enabled", make_pair("1", 1)));
+	mValues.insert(make_pair("tw_mtp_debug", make_pair("0", 1)));
 #else
 	LOGINFO("TW_EXCLUDE_MTP := true\n");
 	mConstValues.insert(make_pair("tw_has_mtp", "0"));