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/Marvell/gplugd/gplugd.c b/board/Marvell/gplugd/gplugd.c
index 16040e1..05ce98b 100644
--- a/board/Marvell/gplugd/gplugd.c
+++ b/board/Marvell/gplugd/gplugd.c
@@ -19,6 +19,7 @@
 #include <asm/arch/armada100.h>
 #include <asm/gpio.h>
 #include <miiphy.h>
+#include <asm/mach-types.h>
 
 #ifdef CONFIG_ARMADA100_FEC
 #include <net.h>