common: Move ARM cache operations out of common.h

These functions are CPU-related and do not use driver model. Move them to
cpu_func.h

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/net/altera_tse.c b/drivers/net/altera_tse.c
index fb878d4..aabddd6 100644
--- a/drivers/net/altera_tse.c
+++ b/drivers/net/altera_tse.c
@@ -9,6 +9,7 @@
  * published by the Free Software Foundation.
  */
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
 #include <errno.h>
 #include <fdt_support.h>