vpd-log.conf: change VPD region names due to H2C changed that.
vpd-log.conf: change VPD region names due to H2C changed that.

Change-Id: Ifd2b8b8d5aaafc4a317dab81c3a6e3a93cc4345b

BUG=no bug id
TEST=Tested on Alex. Go thru a OOBE and ActivateDate is correctly set, and chrome://system also sees the expected date.

Review URL: http://codereview.chromium.org/6660021

joshfire/chromiumos-platform-init