at91: add support for the PM9263 board of Ronetix GmbH

The PM9263 board is based on the AT91SAM9263-EK board.

Here is the page on Ronetix website:
http://www.ronetix.at/starter_kit_9263.html

Signed-off-by: Ilko Iliev <iliev@ronetix.at>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/MAKEALL b/MAKEALL
index e4eb42b..f13c81a 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -582,6 +582,7 @@
 	kb9202		\
 	mp2usb		\
 	m501sk		\
+	pm9263		\
 "
 
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