PXA: Voipac270 improvements

128MB NOR module support.
Define __io to get harddrive working.
Fix saving of environment into OneNAND.
Boot from harddrive when possible.
Add missing MAINTAINERS entry.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1de7a0d..303e955 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -813,6 +813,7 @@
 
 	palmld		xscale
 	palmtc		xscale
+	vpac270		xscale
 
 Hugo Villeneuve <hugo.villeneuve@lyrtech.com>