common: Drop init.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c b/board/freescale/ls1046afrwy/ls1046afrwy.c
index 71ace19..e815bf8 100644
--- a/board/freescale/ls1046afrwy/ls1046afrwy.c
+++ b/board/freescale/ls1046afrwy/ls1046afrwy.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <i2c.h>
 #include <fdt_support.h>
+#include <init.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/fsl_serdes.h>