arm: Add explicit include of <asm/mach-types.h>

Rather than relying on common.h to provide this include, which is going
away at some point, include it explicitly in each file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c
index 123fb11..ea0bd8f 100644
--- a/board/freescale/mx35pdk/mx35pdk.c
+++ b/board/freescale/mx35pdk/mx35pdk.c
@@ -24,6 +24,7 @@
 #include <asm/gpio.h>
 #include <asm/arch/sys_proto.h>
 #include <netdev.h>
+#include <asm/mach-types.h>
 
 #ifndef CONFIG_BOARD_LATE_INIT
 #error "CONFIG_BOARD_LATE_INIT must be set for this board"