# Disable EFI capsule which requires GnuTLS CONFIG_EFI_CAPSULE=n CONFIG_EFI_CAPSULE_ON_DISK=n CONFIG_EFI_CAPSULE_FIRMWARE_MANAGEMENT=n CONFIG_EFI_CAPSULE_FIRMWARE_RAW=n CONFIG_EFI_CAPSULE_AUTHENTICATE=n # Ensure the basic features we need are enabled CONFIG_ENV_IS_IN_FAT=y CONFIG_CMD_GPT=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y CONFIG_CMD_FS_GENERIC=y # Explicitly enable UART CONFIG_BAUDRATE=115200 CONFIG_SERIAL=y CONFIG_SERIAL_PRESENT=y CONFIG_CONS_INDEX=0 CONFIG_OF_STDOUT_VIA_ALIAS=y