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/bluewater/gurnard/gurnard.c b/board/bluewater/gurnard/gurnard.c
index 48e31d9..4ae70e1 100644
--- a/board/bluewater/gurnard/gurnard.c
+++ b/board/bluewater/gurnard/gurnard.c
@@ -13,6 +13,7 @@
 #include <atmel_mci.h>
 #include <dm.h>
 #include <env.h>
+#include <init.h>
 #include <lcd.h>
 #include <net.h>
 #ifndef CONFIG_DM_ETH