bootstd: Correct baudrate typo

This is a copy error. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/boot/bootmeth-uclass.c b/boot/bootmeth-uclass.c
index 701ee8a..eeded08 100644
--- a/boot/bootmeth-uclass.c
+++ b/boot/bootmeth-uclass.c
@@ -395,7 +395,7 @@
 /**
  * on_bootmeths() - Update the bootmeth order
  *
- * This will check for a valid baudrate and only apply it if valid.
+ * This will check for a valid list of bootmeths and only apply it if valid.
  */
 static int on_bootmeths(const char *name, const char *value, enum env_op op,
 			int flags)