Revert ".shippable: temporaily disable some cross builds"

This reverts commit 12d43b5ae916809aad9ccf8aa2a0a06260527340.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200612190237.30436-18-alex.bennee@linaro.org>
1 file changed