manifest: Update sdk-zephyr revision

Update sdk-zephyr to add nrf-802154 API migration code.

Signed-off-by: Rafał Kuźnia <[email protected]>

Author: e-rk

west.yml

@@ -65,7 +65,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: d792280a1c8639ac103ce0dd094f8d5dd4e5377d
+      revision: 9d15425c577ccc4e261fe68e29b8273ce5d468bf
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above