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/socrates/socrates.c b/board/socrates/socrates.c
index 84644a8..c51f3e4 100644
--- a/board/socrates/socrates.c
+++ b/board/socrates/socrates.c
@@ -13,6 +13,7 @@
 #include <common.h>
 #include <clock_legacy.h>
 #include <env.h>
+#include <init.h>
 #include <pci.h>
 #include <uuid.h>
 #include <asm/processor.h>