zephyr: Increase minimum CMake version to 3.20.0.

MaureenHelm · dpgeorge · commit ddbbfbed7548 · 2022-01-06T14:09:39.000+11:00
As a prerequisite to upgrading to Zephyr v2.7.0, upgrade the minimum
CMake version required for the Zephyr port to 3.20.0.

Signed-off-by: Maureen Helm &lt;maureen.helm@intel.com&gt;
diff --git a/ports/zephyr/CMakeLists.txt b/ports/zephyr/CMakeLists.txt
@@ -22,7 +22,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-cmake_minimum_required(VERSION 3.13.1)
+cmake_minimum_required(VERSION 3.20.0)
 
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(micropython)
