bootstage: Replace show_boot_progress/error() with bootstage_...()

These calls should not be made directly any more, since bootstage
will call the show_boot_...() functions as needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/avr32/lib/bootm.c b/arch/avr32/lib/bootm.c
index f180737..74ebeca 100644
--- a/arch/avr32/lib/bootm.c
+++ b/arch/avr32/lib/bootm.c
@@ -192,7 +192,7 @@
 
 	theKernel = (void *)images->ep;
 
-	show_boot_progress(BOOTSTAGE_ID_RUN_OS);
+	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
 
 	params = params_start = (struct tag *)gd->bd->bi_boot_params;
 	params = setup_start_tag(params);