common: Move some board functions out of common.h

A number of board function belong in init.h with the others. Move them.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/gdsys/mpc8308/gazerbeam.c b/board/gdsys/mpc8308/gazerbeam.c
index ddd6ee8..8c9636d 100644
--- a/board/gdsys/mpc8308/gazerbeam.c
+++ b/board/gdsys/mpc8308/gazerbeam.c
@@ -11,6 +11,7 @@
 #include <env.h>
 #include <fdt_support.h>
 #include <fsl_esdhc.h>
+#include <init.h>
 #include <miiphy.h>
 #include <misc.h>
 #include <tpm-v1.h>