karo: configs: Update the tx6*_defconfig files from defconfigs generated with 'make savedefconfig' (no functional change)
karo: tx6: add support for Ka-Ro TX6UL-8013
karo: tx6ul: enable soft i2c driver and 'i2c' command
karo: tx6: introduce generic TARGET_EMMC/TARGET_NAND to simplify Kconfig
karo: tx6: add support for boards with >= 2GiB memory
karo: tx6: add TXUL support