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

Update Zephyr fork of MCUboot to revision:
  58538ddfe21843edb39d7e7502812e61696e55c4

Brings following Zephyr relevant fixes:

  - 58538ddf swap_move: correct appsize calcs and warning
  - 5ce8b311 zephyr: flash map: fix comparison signedness
  - 7d4de010 boot: bootutil: Fix usage of flash_area object
  - 61e1264b boot: bootutil: Take into account scratch trailer
    when computing max image size
  - 1a50ec2f boot: bootutil: Ensure the whole trailer is erased
    when it is large
  - c81ba032 boot: bootutil: Fix scratch trailer overwritten if
    image trailer is large
  - 913e9162 boot: bootutil: Fix underflow in swap-scratch when
    trailer is large
  - 509834cd boot: bootutil: Fix invalid last sector computation
    for swap-scratch
  - 834a0afa mynewt: Add flash_sector_get_size
  - ad7a2dd9 doc: imgtool: importance of clear flag
  - 50b727e7 docs: release-notes: Add note on fix for revert issue
  - 014d436c boot: bootutil: loader: Fix issue with stuck revert
  - 0c3ecbef boot: bootutil: Refactor some functions to have state
  - 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 <jamie.mccrae@nordicsemi.no>