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/board/freescale/ls1021aiot/ls1021aiot.c b/board/freescale/ls1021aiot/ls1021aiot.c
index 8de13c8..b4201e7 100644
--- a/board/freescale/ls1021aiot/ls1021aiot.c
+++ b/board/freescale/ls1021aiot/ls1021aiot.c
@@ -4,6 +4,7 @@
*/
#include <common.h>
+#include <clock_legacy.h>
#include <fdt_support.h>
#include <init.h>
#include <asm/arch/immap_ls102xa.h>