at91: Add esd gmbh OTC570 board support

This patch adds support for esd gmbh OTC570 board.
The OTC570 is based on an Atmel AT91SAM9263 SoC.

Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski@esd.eu>
diff --git a/MAKEALL b/MAKEALL
index 684db67..f461cd5 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -659,6 +659,7 @@
 	meesc			\
 	mp2usb			\
 	m501sk			\
+	otc570			\
 	pm9261			\
 	pm9263			\
 	SBC35_A9G20		\