PXA: Move colibri_pxa270 to board/toradex/

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/boards.cfg b/boards.cfg
index 3fe96ad..77dc560 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -216,7 +216,7 @@
 actux4                       arm         ixp
 dvlhost                      arm         ixp
 balloon3                     arm         pxa
-colibri_pxa270               arm         pxa
+colibri_pxa270               arm         pxa         -                   toradex
 lubbock                      arm         pxa
 palmld                       arm         pxa
 palmtc                       arm         pxa