avl_tool: Change log level to info for dispatch() o/p

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

Change-Id: I6a64f1776ffd9f3ab8d001226ec6d90fd60ead44
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+/1646824
Reviewed-by: Sam McNally <sammc@chromium.org>
1 file changed