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/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index 9e17eb8..11ea52f 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -23,6 +23,7 @@
 #include <asm/arch/davinci_misc.h>
 #include <linux/errno.h>
 #include <hwconfig.h>
+#include <asm/mach-types.h>
 
 #ifdef CONFIG_MMC_DAVINCI
 #include <mmc.h>