Upgraded the bzip2 Portage package

Upgraded app-arch/bzip2 to version 1.0.6-r2 on arm, x86

BUG=chromium-os:6861
TEST=built image, updated to it, updated again

Change-Id: I90cee800f47bf4c5cc7a1d16c53531cb704affc8
Reviewed-on: https://gerrit.chromium.org/gerrit/10825
Reviewed-by: Matt Tennant <mtennant@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
7 files changed