Support for the MX31ADS evaluation board from Freescale

This patch adds support for the MX31ADS evaluation board from Freescale,
initialization code is copied from RedBoot sources, also provided by Freescale.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
diff --git a/MAKEALL b/MAKEALL
index f7b5fdb..72bd75e 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -505,6 +505,7 @@
 	apollon		\
 	imx31_litekit	\
 	imx31_phycore	\
+	mx31ads		\
 "
 
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