kconfig-frontends: include UPSTREAM_CHECK_COMMITS to fix UNKNOWN_BROKEN status
When performing devtool check-upgrade-status, UNKNOWN_BROKEN status appears.
On the upstream source repository, releases are not identified by tags. So,
UPSTREAM_CHECK_COMMITS is set to 1, to find the latest upstream update.
Signed-off-by: Alexandre Truong <alexandre.truong@smile.fr>
Reviewed-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Khem Raj <raj.khem@gmail.com>