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/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 7e784d1..0e33f6a 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -12,6 +12,7 @@
 
 #include <common.h>
 #include <config.h>
+#include <init.h>
 #include <dm/lists.h>
 #include <fdtdec.h>
 #include <linux/sizes.h>