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>

arch/mips/lib/bootm_qemu_mips.c

@@ -39,7 +39,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
 	/* find kernel entry point */
 	theKernel = (void (*)(int, char **, char **, int *))images->ep;
 
-	show_boot_progress(BOOTSTAGE_ID_RUN_OS);
+	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
 
 	debug ("## Transferring control to Linux (at address %08lx) ...\n",
 		(ulong) theKernel);