tree 8cc5c49995467de26af94c9ef8f17786d07aafef
parent ad0e4639545b0928a3673114962ee1f3e56402d7
author Simon Glass <sjg@chromium.org> 1395529979 -0600
committer Simon Glass <sjg@chromium.org> 1399668477 -0600

sandbox: Update and expand the README

Now that sandbox has a good base of features, the README is quite out of
date. Update it, and document the new features.

Signed-off-by: Simon Glass <sjg@chromium.org>