[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach

This just leaves include/asm-arm/plat-* to deal with.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 73d7773..f31c669 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -19,7 +19,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/dec21285.h>
-#include <asm/arch/hardware.h>
+#include <mach/hardware.h>
 
 #define BAUD_BASE		(mem_fclk_21285/64)