common: Move serial functions out of common.h
These functions belong in serial.h so move them over.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/siemens/common/board.c b/board/siemens/common/board.c
index 75462d1..5f5e2eb 100644
--- a/board/siemens/common/board.c
+++ b/board/siemens/common/board.c
@@ -12,6 +12,7 @@
#include <common.h>
#include <env.h>
#include <errno.h>
+#include <serial.h>
#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>