Update broken web addresses in arch directory.

The patch below updates broken web addresses in the arch directory.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Finn Thain <fthain@telegraphics.com.au>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index f515727..559aca8 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -145,7 +145,7 @@
 	  will cover even the most exceptional need of memory bandwidth. Together with the onboard
 	  video decoder the board is ready for video processing.
 
-	  For more information see: http://www.miromico.com/hammerhead
+	  For more information see: http://www.miromico.ch/index.php/hammerhead.html 
 
 config BOARD_FAVR_32
 	bool "Favr-32 LCD-board"