common: Move clock functions into a new file
These three clock functions don't use driver model and should be migrated.
In the meantime, create a new file to hold them.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/m68k/cpu/mcf5445x/speed.c b/arch/m68k/cpu/mcf5445x/speed.c
index e15e32e..eaa3b39 100644
--- a/arch/m68k/cpu/mcf5445x/speed.c
+++ b/arch/m68k/cpu/mcf5445x/speed.c
@@ -6,6 +6,7 @@
*/
#include <common.h>
+#include <clock_legacy.h>
#include <asm/processor.h>
#include <asm/immap.h>