dts: Add a comment about CONFIG_OF_EMBED being for local use

This comment from README.fdt-control did not end up in the Kconfig, which
is what most people will see. Add it with a few tweaks.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/dts/Kconfig b/dts/Kconfig
index 0f4d755730574bec451e66a0d239f88af844ab0d..fb2d79edbc3ba375944a997bc191cad4585a2a5a 100644 (file)
--- a/dts/Kconfig
+++ b/dts/Kconfig
@@ -37,7 +37,9 @@ config OF_EMBED
        bool "Embedded DTB for DT control"
        help
          If this option is enabled, the device tree will be picked up and
-         built into the U-Boot image.
+         built into the U-Boot image. This is suitable for local debugging
+         and development only and is not recommended for production devices.
+         Boards in the mainline U-Boot tree should not use it.
 
 config OF_HOSTFILE
        bool "Host filed DTB for DT control"