The commit adds Kconfig options that allow to inform application
what algorithm is used with MCUboot that will be booting
applications on board.
Kconfig options added:
- CONFIG_MCUBOOT_BOOTLOADER_MODE_SWAP_WITHOUT_SCRATCH
- CONFIG_MCUBOOT_BOOTLOADER_MODE_SWAP_SCRATCH
- CONFIG_MCUBOOT_BOOTLOADER_MODE_SINGLE_APP
- CONFIG_MCUBOOT_BOOTLOADER_MODE_DIRECT_XIP
Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>