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>

arch/arm/mach-at91/board-csb337.c

@@ -38,9 +38,9 @@
 #include <asm/mach/irq.h>
 
 #include <mach/hardware.h>
-#include <mach/board.h>
 #include <mach/at91_aic.h>
 
+#include "board.h"
 #include "generic.h"