dev-embedded/u-boot-tools: Update to latest from gentoo

Upstream u-boot-tools will add support for OpenSSL 1.1 in its next
release (2017.07).  For now, cherry-pick the required patches onto the
lastest upstream release (2017.05) from gentoo, with the following small
changes:

 * EAPI=5
 * KEYWORDS="*"
 * inherit base
 * Add PATCHES=()

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>

BUG=chromium:740158
TEST=w/ openssl-1.0.2k: sudo emerge u-boot-tools
TEST=w/ openssl-1.1.0f: sudo emerge u-boot-tools
  => Builds ok in both cases.

Change-Id: If842f60182e475c2ef46be9ee6974a76a907b383
Reviewed-on: https://chromium-review.googlesource.com/563759
Commit-Ready: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
4 files changed