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/arch/powerpc/cpu/mpc85xx/tlb.c b/arch/powerpc/cpu/mpc85xx/tlb.c
index 4f6778c..ab61649 100644
--- a/arch/powerpc/cpu/mpc85xx/tlb.c
+++ b/arch/powerpc/cpu/mpc85xx/tlb.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <init.h>
 #include <asm/bitops.h>
 #include <asm/global_data.h>