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/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
index 04277b1..d48e342 100644
--- a/drivers/net/xilinx_axi_emac.c
+++ b/drivers/net/xilinx_axi_emac.c
@@ -9,6 +9,7 @@
 #include <config.h>
 #include <common.h>
 #include <cpu_func.h>
+#include <display_options.h>
 #include <dm.h>
 #include <log.h>
 #include <net.h>