tree a6567d66925c14160e7e56de560528a4130550cb
parent 2b19321ef9cdc77e00c4d063330e2a4a6818c4fc
author Simon Glass <sjg@chromium.org> 1531855543 -0600
committer Simon Glass <sjg@chromium.org> 1533162648 -0600

patman: Add a few more helpers to the tools library

Add functions to read and write a file, looking through a list of search
paths to find it.

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