UPSTREAM: mmc-utils: add support to create gp partition

create gp partition if needed with enhanced / extended attribute.

Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <chris@printf.net>
(cherry picked from commit 7891236d62ccd201054324b5298dd9529c6a764f)
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>

BUG=none
TEST=Compiled, Installed on gnawty

Change-Id: I5fb56e34c52ea31b96ea75be66a9dff35160150d
Reviewed-on: https://chromium-review.googlesource.com/338080
Commit-Ready: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Grant Grundler <grundler@chromium.org>
4 files changed