The non-driver model video support was removed two years ago. Drop this
driver, which is only used by nokia_rx51.
Signed-off-by: Simon Glass <sjg@chromium.org>
Convert README.bootmenu to reStructured text and move it to
usage/bootmenu.rst.
Adjust the text concerning configuration settings as these now are managed
via Kconfig.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>