avl_tool: Drop overly verbose debug message

Also merge in,
	avl_tool: Address reviewers concerns about commented code and clarity

BUG=b:117099583,b:76032857
BRANCH=none
TEST=still builds

Change-Id: Ia1a802ee42b7227749f1d191fbf7ba40d1907415
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1638232
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
5 files changed