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_msc01.c b/drivers/pci/pci_msc01.c
index 504eb65..0483820 100644
--- a/drivers/pci/pci_msc01.c
+++ b/drivers/pci/pci_msc01.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <init.h>
 #include <msc01.h>
 #include <pci.h>
 #include <pci_msc01.h>