synchronized up to the mcu-tool/mcuboot 4427e4c9

Synchronized to:
mcu-tools@4427e4c

Changes included:
boot: zephyr: allow timeout based recovery with CDC ACM
boot: zephyr: Only call sys_clock_disable when supported
imgtool: fix getpriv format type for keys
mynewt: add flash sector requirement for swap move
ci: add Mynewt test target for swap move
ci: Fix compatibility with packaging==22
boot_serial: Add unaligned stack buffer writing
doc: espressif: Add warning note for Flash Encryption with Serial Recovery usage

Note: The following commits exists in both branches
boot: zephyr: boards: nrf52840dk: Fix overlay
espressif: add downgrade prevention feature
boot: Update Nordic's license identifier tag
docs: fix FIH example command in design.md
ci: fih: update TF-M version to 1.7.0 and adjust test suite

merged using GitHub web gui.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>