west: update revision for zephyr

Bring in:

nrfconnect/sdk-zephyr#2722

Signed-off-by: Carles Cufi <[email protected]>

Author: carlescufi

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: 3bb2db9bbed0f42c969197524a2e266d883177ca
+      revision: c206f1e9e15da2f422454f3729e29ffc3e8db53e
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above