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/freescale/mpc837xemds/mpc837xemds.c b/board/freescale/mpc837xemds/mpc837xemds.c
index 1692208..1ae2308 100644
--- a/board/freescale/mpc837xemds/mpc837xemds.c
+++ b/board/freescale/mpc837xemds/mpc837xemds.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <hwconfig.h>
 #include <i2c.h>
+#include <init.h>
 #include <asm/io.h>
 #include <asm/fsl_mpc83xx_serdes.h>
 #include <spd_sdram.h>