MX53: Add initial support for MX53ARD

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/boards.cfg b/boards.cfg
index ff6f7e4..8b71a2c 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -137,6 +137,7 @@
 ca9x4_ct_vxp                 arm         armv7       vexpress            armltd
 efikamx                      arm         armv7       efikamx             -              mx5		mx51evk:IMX_CONFIG=board/efikamx/imximage.cfg
 mx51evk                      arm         armv7       mx51evk             freescale      mx5		mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg
+mx53ard                      arm         armv7       mx53ard             freescale      mx5		mx53ard:IMX_CONFIG=board/freescale/mx53ard/imximage_dd3.cfg
 mx53evk                      arm         armv7       mx53evk             freescale      mx5		mx53evk:IMX_CONFIG=board/freescale/mx53evk/imximage.cfg
 mx53loco                     arm         armv7       mx53loco            freescale      mx5		mx53loco:IMX_CONFIG=board/freescale/mx53loco/imximage.cfg
 mx53smd                      arm         armv7       mx53smd             freescale      mx5		mx53smd:IMX_CONFIG=board/freescale/mx53smd/imximage.cfg