avr32: Implement {read,write}[bwl]_be

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
index a520f77..22c97ef 100644
--- a/arch/avr32/include/asm/io.h
+++ b/arch/avr32/include/asm/io.h
@@ -160,6 +160,14 @@
 #define readw_relaxed			readw
 #define readl_relaxed			readl
 
+#define readb_be			__raw_readb
+#define readw_be			__raw_readw
+#define readl_be			__raw_readl
+
+#define writeb_be			__raw_writeb
+#define writew_be			__raw_writew
+#define writel_be			__raw_writel
+
 #define __BUILD_MEMORY_STRING(bwl, type)				\
 static inline void writes##bwl(volatile void __iomem *addr,		\
 			       const void *data, unsigned int count)	\