autoboot: Improve docs for CONFIG_AUTOBOOT_ENCRYPTION
This option is not documented properly at present. Fix it.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/README b/README
index b08ad89..b493ffe 100644
--- a/README
+++ b/README
@@ -3421,6 +3421,8 @@
allowed for use by the bootm command. See also "bootm_low"
environment variable.
+ bootstopkeysha256, bootdelaykey, bootstopkey - See README.autoboot
+
updatefile - Location of the software update file on a TFTP server, used
by the automatic software update feature. Please refer to
documentation in doc/README.update for more details.