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/silica/pengwyn/board.c b/board/silica/pengwyn/board.c
index 345701f..c0496c5 100644
--- a/board/silica/pengwyn/board.c
+++ b/board/silica/pengwyn/board.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <env.h>
+#include <serial.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/ddr_defs.h>