west.yml: MCUboot synchronization from v3.7-branch

Update Zephyr fork of MCUboot to revision:
  78bb9c0984c88d1de64e553434c7c740d9016cc0

Brings following Zephyr relevant fixes:

  - 78bb9c09 zephyr: Fix image encryption configuration for
    mbedTLS.
  - d8647ed3 zephyr: Fix usage of CONFIG_MBEDTLS_BUILTIN and ASN1
  - 41c82413 bootutil: Add missing MBEDTLS_ASN1_PARSE_C
  - 6f61d4fc zephyr: Remove scratch from
    flash_area_id_from_multi_image_slot
  - f48f5c5a boot: boot_serial: Fix uninitialised variables for
    upload
  - f40c2430 added missing MCUBOOT_VERSION_TWEAK in Zephyr port
  - a49a0337 boot: bootutil: loader.c: Add check if has upgrade
    before pushing state change
  - 664093d0 bootutil: Fix device brick after power failure during
    swap-move revert
  - c50b332b bootutil: Fix the reading of image headers after
    partial swap completion
  - 172694ea boot: zephyr: Fix
    sample.bootloader.mcuboot.usb_cdc_acm_recovery
  - 226a9a70 Allow bootstrapping for multiple images

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

west.yml

@@ -287,7 +287,7 @@ manifest:
       groups:
         - crypto
     - name: mcuboot
-      revision: ea2410697dd0262edec041a0ccb07fdbde7c1aff
+      revision: 78bb9c0984c88d1de64e553434c7c740d9016cc0
       path: bootloader/mcuboot
     - name: mipi-sys-t
       path: modules/debug/mipi-sys-t