CHROMIUM: move VbExHashFirmwareBody() to lib/vbexport/ This patch only moves code around. BUG=chromium-os:16542 TEST=build okay Change-Id: Idc908fd2e652c114ae8029c120386fb44e63b4f9 Reviewed-on: http://gerrit.chromium.org/gerrit/5204 Tested-by: Che-Liang Chiou <clchiou@chromium.org> Reviewed-by: Gabe Black <gabeblack@chromium.org>