README: Drop information about commands
Most of this is duplicated in Kconfig help. Add some of that which is not,
and remove the help from the README.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 5719a61..183f932 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -577,7 +577,9 @@
select USB_FUNCTION_DFU
help
Enables the command "dfu" which is used to have U-Boot create a DFU
- class device via USB.
+ class device via USB. This command requires that the "dfu_alt_info"
+ environment variable be set and define the alt settings to expose to
+ the host.
config CMD_DM
bool "dm - Access to driver model information"