bootstage: Use BOOTSTAGE instead of BOOTSTATE

Some of the enum members are wrong. Fix them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/board_r.c b/common/board_r.c
index 33efcf6..bd1ac35 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -312,9 +312,9 @@
 #ifdef CONFIG_TIMER
 	gd->timer = NULL;
 #endif
-	bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r");
+	bootstage_start(BOOTSTAGE_ID_ACCUM_DM_R, "dm_r");
 	ret = dm_init_and_scan(false);
-	bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R);
+	bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_R);
 	if (ret)
 		return ret;