tree e409bd40ac66ca2fd4497415090277d5767e91c6
parent a66c68732ecaaf736e8f4e6ebb44f31e61cb985a
author Marti Bolivar <marti@foundries.io> 1538440018 -0600
committer Fabio Utzig <utzig@utzig.org> 1538440900 -0300

zephyr: hello-world: add cmake_minimum_required

The sample fails to build without it now due to changes in the
boilerplate file.

Signed-off-by: Marti Bolivar <marti@foundries.io>