Revert "faft: Don't disable sysinfo, as local_dash uses sysinfo to get fw versions"

This reverts commit d6da7bf306f6ca5a64d530828ba9a77cb21f4cf9

The original fix is not a good idea since it rapidly consume disk space. It can be fixed in local_dash. Check more info in the bug.

BUG=chromium-os:36326

Change-Id: I0a0e8ca403e4c619f1352bc070a1c05ccf058d02
Reviewed-on: https://gerrit.chromium.org/gerrit/38171
Reviewed-by: Vic Yang <victoryang@chromium.org>
Commit-Ready: Tom Wai-Hong Tam <waihong@chromium.org>
Tested-by: Tom Wai-Hong Tam <waihong@chromium.org>
76 files changed