tree 92d53765f4f7704cae0e030122deee1f2cf92ea0
parent 3fb4f424d6bb6466f13a7b2a185bcf0fa5a40e6c
author Simon Glass <sjg@chromium.org> 1536922653 -0600
committer Simon Glass <sjg@chromium.org> 1538243375 -0600

binman: Record the parent section of each section

At present sections have no record of their parent so it is not possible
to traverse up the tree to the root and figure out the position of a
section within the image.

Change the constructor to record this information.

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