bootstage: Convert progress numbers 10-19 to enums

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/matrix_vision/mvbc_p/mvbc_p.c b/board/matrix_vision/mvbc_p/mvbc_p.c
index a5dc2f0..7e06d6c 100644
--- a/board/matrix_vision/mvbc_p/mvbc_p.c
+++ b/board/matrix_vision/mvbc_p/mvbc_p.c
@@ -247,7 +247,7 @@
 	case 65:
 		setbits_be32(&gpio->simple_dvo, LED_G1);
 		break;
-	case 12:
+	case BOOTSTAGE_ID_COPY_RAMDISK:
 		setbits_be32(&gpio->simple_dvo, LED_Y);
 		break;
 	case BOOTSTAGE_ID_RUN_OS: