zephyr: Add MCUboot configuration for Thingy:53

CONFIG_SIZE_OPTIMIZATIONS=y

CONFIG_SYSTEM_CLOCK_DISABLE=y

CONFIG_SYSTEM_CLOCK_NO_WAIT=y

CONFIG_PM=n

CONFIG_MAIN_STACK_SIZE=10240

CONFIG_MBEDTLS_CFG_FILE="mcuboot-mbedtls-cfg.h"

CONFIG_BOOT_UPGRADE_ONLY=y

CONFIG_BOOT_MAX_IMG_SECTORS=2048

CONFIG_BOOT_SIGNATURE_TYPE_RSA=y

# Flash

CONFIG_FLASH=y

CONFIG_BOOT_ERASE_PROGRESSIVELY=y

CONFIG_SOC_FLASH_NRF_EMULATE_ONE_BYTE_WRITE_ACCESS=y

CONFIG_FPROTECT=n

# Serial

CONFIG_SERIAL=y

CONFIG_UART_LINE_CTRL=y

# MCUBoot serial

CONFIG_GPIO=y

CONFIG_MCUBOOT_SERIAL=y

CONFIG_BOOT_SERIAL_CDC_ACM=y

CONFIG_BOOT_SERIAL_DETECT_PORT="GPIO_1"

CONFIG_BOOT_SERIAL_DETECT_PIN=13

# Required by QSPI

CONFIG_NORDIC_QSPI_NOR=y

CONFIG_NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096

CONFIG_NORDIC_QSPI_NOR_STACK_WRITE_BUFFER_SIZE=16

CONFIG_PM_EXTERNAL_FLASH=y

CONFIG_PM_EXTERNAL_FLASH_DEV_NAME="MX25R64"

CONFIG_PM_EXTERNAL_FLASH_BASE=0x0

CONFIG_PM_EXTERNAL_FLASH_SIZE=0x800000

# Required by USB and QSPI

CONFIG_MULTITHREADING=y

# USB

CONFIG_USB=y

CONFIG_USB_DEVICE_MANUFACTURER="Nordic Semiconductor ASA"

CONFIG_USB_DEVICE_PRODUCT="Bootloader Thingy:53"

CONFIG_USB_DEVICE_VID=0x1915

CONFIG_USB_DEVICE_PID=0x5300

CONFIG_USB_CDC_ACM=y

# Decrease memory footprint

CONFIG_CBPRINTF_NANO=y

CONFIG_TIMESLICING=n

CONFIG_BOOT_BANNER=n

CONFIG_CONSOLE=n

CONFIG_CONSOLE_HANDLER=n

CONFIG_UART_CONSOLE=n

CONFIG_USE_SEGGER_RTT=n

CONFIG_LOG=n

CONFIG_ERRNO=n

CONFIG_PRINTK=n

CONFIG_RESET_ON_FATAL_ERROR=n

CONFIG_SPI=n

CONFIG_I2C=n

CONFIG_UART_NRFX=n