bootstd: Rename bootdev_setup_sibling_blk()

This name is a little confusing since it suggests that it sets up the
sibling block device. In fact it sets up a bootdev for it. Rename the
function to make this clearer.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 6caeb3f..0a3420b 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -607,7 +607,7 @@
 		/* TODO: undo create */
 		return log_msg_ret("pro", ret);
 
-	ret = bootdev_setup_sibling_blk(bdev, "scsi_bootdev");
+	ret = bootdev_setup_for_sibling_blk(bdev, "scsi_bootdev");
 	if (ret)
 		return log_msg_ret("bd", ret);