Add a command to write cedit settings to environment variables so that
they can be stored with 'saveenv'.
Signed-off-by: Simon Glass <sjg@chromium.org>
Support writing settings from an expo into a file in FDT format. It
consists of a single node with a two properties for each sceneitem,
one with tag ID chosen by the user and another for its text value.
Signed-off-by: Simon Glass <sjg@chromium.org>
This is related to standard boot, so put it under the same node. This may
simplify schema upstreaming later.
Mention themes in the documentation while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Before adding more functions to this interface, create a new header for
the configuration editor.
Fix up the expo header guard while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add a new 'cedit' command which allows editing configuration using an
expo. The configuration items appear as menus on the display.
This is extremely basic, only supporting menus and not providing any way
to load or save the configuration.
Signed-off-by: Simon Glass <sjg@chromium.org>