tree 6c03a971e91bd124dacf95d892224c4f0a49f3b0
parent 199da41d0b2d5fdcc8362e5f63f61c335eda3ca7
author Simon Glass <sjg@chromium.org> 1668046489 -0700
committer Simon Glass <sjg@chromium.org> 1669155215 -0700

binman: Add a separate section about environment variables

These are documented in various several sections. Add a new section that
mentions them all in one place so it is easier to see what environment
variables can be used to control U-Boot's use of binman.

Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>