give helix a combined repo with gotham and helix branch

Author: MartijnKaijser

targets.cfg

@@ -31,7 +31,7 @@ minversions =
 
 ; Helix legacy repo
 [helix]
-branches=helix
+branches=gotham,helix
 minversions =
  xbmc.gui:5.3.0,
  xbmc.python:2.1.0,