gta4xlwifi: this is a wifi-only tablet

Change-Id: Icf97178d0e2d40a652bd737b31c8c5acff01fcd4
diff --git a/vendor.prop b/vendor.prop
index e69de29..7ff5038 100644
--- a/vendor.prop
+++ b/vendor.prop
@@ -0,0 +1,2 @@
+# RIL
+ro.radio.noril=true