Re-add dumpRSAPublicKey utility

This utility is used by firmware tests and having it missing is causing subtle
FAFT test failures that are frustratingly difficult to track down.

BUG=chrome-os-partner:38032
BRANCH=none
TEST=successful run of firmware_UpdateKernelDataKeyVersion

Change-Id: I4dcf277ce2678001f6e68d89781b6166042ea96e
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/219079
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
1 file changed