tree ba8ea4ed0e1173fcfe48857cbeefcdb0db0deb09
parent 3ef8adf3e1893230d5d65f12f888ffad99e578b8
author Jeremy Kerr <jk@ozlabs.org> 1462406216 +0800
committer Jeremy Kerr <jk@ozlabs.org> 1462432103 +0800

Add code update doc

Roughly based on Norm's user manual.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>