Check that added entropy is at least somewhat acceptable.
BRANCH=none
BUG=b:38486828
TEST=make BOARD=hammer -j tests
./util/flash_ec --board=hammer --image=build/hammer/test-entropy.bin
EC console: runtest, get around 4000/1000 (=4) bits of entropy, value
matches (roughly) the value obtained using the awk script.
TEST=make run-entropy
Change-Id: I88d0e9ec0e38ab3ec70d3e8163b8ac1556df978d
Reviewed-on: https://chromium-review.googlesource.com/523482
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
9ebcc894be