[ARM] Include asm/hardware.h not asm/arch/hardware.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91rm9200/clock.c b/arch/arm/mach-at91rm9200/clock.c
index fe71b83..edc2cc8 100644
--- a/arch/arm/mach-at91rm9200/clock.c
+++ b/arch/arm/mach-at91rm9200/clock.c
@@ -27,7 +27,7 @@
 #include <asm/io.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/hardware.h>
+#include <asm/hardware.h>
 
 #include "generic.h"