V8 Buildbot: Fix missing build targets for Chromium linux debug builder.
V8 Buildbot: Fix missing build targets for Chromium linux debug builder.

BUG=
TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/139313002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@244855 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build