u-boot: fix kernel shared data content for crossystem

The data passed to kernel shared data should be VbSharedData
instead of FMAP content.

BUG=chromium-os:17168
TEST=install new kernel and run modified crossystem, seeing correct value

Change-Id: I82defce17170ca44cce76f56d919670c26bb445e
Reviewed-on: http://gerrit.chromium.org/gerrit/3437
Reviewed-by: Che-Liang Chiou <clchiou@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
2 files changed