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/drivers/pci/pci_gt64120.c b/drivers/pci/pci_gt64120.c
index 55f4800..62f213d 100644
--- a/drivers/pci/pci_gt64120.c
+++ b/drivers/pci/pci_gt64120.c
@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <gt64120.h>
+#include <init.h>
 #include <pci.h>
 #include <pci_gt64120.h>