west.yml: update to current "main"

Update to a current Zephyr version to include ACE user-space support.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

Author: lyakh

west.yml

@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: 9075d5335596080291ebcc448819fed2110dcb9a
+      revision: 1f69b91e909cc37301ac15d7e7f30e87c413ab21
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision