west.yml: update zephyr to a35d8937e3eb

adds WCL support in zephyr

Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>

Author: abonislawski

west.yml

@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: 4aa1ac9f969a89e79387b8a3dcb1c7ed44397cd3
+      revision: pull/89899/head
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision