common: Drop display_options.h from common header

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

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/sf.c b/cmd/sf.c
index 058635c..bd102f5 100644
--- a/cmd/sf.c
+++ b/cmd/sf.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <div64.h>
 #include <dm.h>
 #include <log.h>