common: Drop linux/printk.h from common header

This old patch was marked as deferred. Bring it back to life, to continue
towards the removal of common.h

Move this out of the common header and include it only where needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/linux/soc/ti/cppi5.h b/include/linux/soc/ti/cppi5.h
index cfdf7ea..3a55c3e 100644
--- a/include/linux/soc/ti/cppi5.h
+++ b/include/linux/soc/ti/cppi5.h
@@ -11,6 +11,7 @@
 #include <hexdump.h>
 #include <linux/bitops.h>
 #include <linux/bug.h>
+#include <linux/printk.h>
 
 /**
  * Descriptor header, present in all types of descriptors