arm: at91 move board.h to arch/arm/mach-at91

as this is only used board old style board

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/leds.c b/arch/arm/mach-at91/leds.c
index 1b1e62b..3e22978 100644
--- a/arch/arm/mach-at91/leds.c
+++ b/arch/arm/mach-at91/leds.c
@@ -15,7 +15,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 
-#include <mach/board.h>
+#include "board.h"
 
 
 /* ------------------------------------------------------------------------- */