Documentation/release: Add some of the things we added since 4.8.1

From here on, changes should directly touch the release notes, but these
are notable, too.

Change-Id: I602d67f8dd38391663094212cdb4609cdad458ee
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/26886
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
1 file changed