cbuildbot: Pass --accept_licenses to setup_board
cbuildbot: Pass --accept_licenses to setup_board

BUG=chromium-os:37312
TEST=trybots

Change-Id: I5a57d073f41c11a835b4b6c2e57090ada3d7d7a1
Reviewed-on: https://gerrit.chromium.org/gerrit/39792
Reviewed-by: David James <f231dc574bbeb62604660cbc162d1b8642a0a3af@chromium.org>
Commit-Ready: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>
Tested-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>

coreos/chromite,chadversary/chromiumos.chromite,coreos/chromite,zhang0137/chromite,chadversary/chromiumos.chromite,zhang0137/chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,zhang0137/chromite,coreos/chromite,bpsinc-native/src_third_party_chromite