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/arch/arm/mach-uniphier/cpu-info.c b/arch/arm/mach-uniphier/cpu-info.c
index 6a7b203..1ede507 100644
--- a/arch/arm/mach-uniphier/cpu-info.c
+++ b/arch/arm/mach-uniphier/cpu-info.c
@@ -5,6 +5,7 @@
  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  */
 
+#include <init.h>
 #include <stdio.h>
 #include <linux/errno.h>
 #include <linux/io.h>