manifest: update mcuboot revision

Add CONFIG_MULTITHREADING config fragment for nrf54h20/cpuapp

Signed-off-by: Riadh Ghaddab <riadh.ghaddab@nordicsemi.no>

Author: rghaddab

west.yml

@@ -23,6 +23,8 @@ manifest:
       url-base: https://github.com/zephyrproject-rtos
     - name: babblesim
       url-base: https://github.com/BabbleSim
+    - name: mcutools
+      url-base: https://github.com/mcu-tools
 
   group-filter: [-babblesim, -optional, -testing]
 
@@ -335,7 +337,8 @@ manifest:
       groups:
         - crypto
     - name: mcuboot
-      revision: 2d42e8eadcdb76737f99a0e03e6c6e322f8f1639
+      remote: mcutools
+      revision: pull/2681/head
       path: bootloader/mcuboot
       groups:
         - bootloader