bootstd: Use bootdev instead of bootdevice

It seems better to call this a 'bootdev' since this is name used in the
documentation. The older 'Bootdevice' name is no-longer used and may cause
confusion with the 'bootdevice' environment variable.

Update throughout to use bootdev.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/bootflow.h b/include/bootflow.h
index f20f575..018d021 100644
--- a/include/bootflow.h
+++ b/include/bootflow.h
@@ -58,7 +58,7 @@
  *
  * @bm_node: Points to siblings in the same bootdev
  * @glob_node: Points to siblings in the global list (all bootdev)
- * @dev: Bootdevice device which produced this bootflow
+ * @dev: Bootdev device which produced this bootflow
  * @blk: Block device which contains this bootflow, NULL if this is a network
  *	device or sandbox 'host' device
  * @part: Partition number (0 for whole device)