west.yml: MCUboot synchronization from upstream

Update Zephyr fork of MCUboot to revision:
  13767d0b72eb14ce42eb8aad1e5a133ef66afc54

Brings following Zephyr relevant fixes:
 - bootutil: Disable MCUBOOT_BOOT_MAX_ALIGN assert for
   non-swap modes

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
1 file changed