Add support for Wandboard Quad

Add support for the Quad version of Wandboard; fix compile warning resulting
from having 2G of memory.

Signed-off-by: Tapani Utriainen <tapani@technexion.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Acked-by: Stefano Babic <sbabic@denx.de>
diff --git a/boards.cfg b/boards.cfg
index fff4f45..2635942 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -272,6 +272,7 @@
 nitrogen6s                   arm         armv7       nitrogen6x          boundary       mx6		nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512
 nitrogen6s1g                 arm         armv7       nitrogen6x          boundary       mx6		nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s1g.cfg,MX6S,DDR_MB=1024
 wandboard_dl		     arm	 armv7	     wandboard		 -		mx6 wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6dl.cfg,MX6DL,DDR_MB=1024
+wandboard_quad		     arm	 armv7	     wandboard		 -		mx6 wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q2g.cfg,MX6Q,DDR_MB=2048
 wandboard_solo		     arm	 armv7	     wandboard		 -		mx6 wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512
 omap3_overo                  arm         armv7       overo               -              omap3
 omap3_pandora                arm         armv7       pandora             -              omap3