PXA: ZipitZ2 support

This patch adds support for Aeronix Zipit Z2 handheld.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/boards.cfg b/boards.cfg
index f26445e..e7c12f5 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -62,6 +62,7 @@
 pleb2		arm	pxa
 xaeniax		arm	pxa
 xm250		arm	pxa
+zipitz2		arm	pxa
 B2		arm	s3c44b0		-		dave
 assabet		arm	sa1100
 dnp1110		arm	sa1100