karo: configs: Update the tx6*_defconfig files from defconfigs generated with 'make savedefconfig' (no functional change)
karo: tx6: introduce generic TARGET_EMMC/TARGET_NAND to simplify Kconfig
karo: tx6: add support for boards with >= 2GiB memory
karo: tx6: disable LCD in '_noenv' config
kconfig: arm: move ARCH_MX? out of choice which selects TARGETs that depend on those
karo: tx6: cleanup defconfig files
karo: cleanup after merge of v2015.10-rc2
config: rename CONFIG_MX* to CONFIG_SOC_MX*
karo: configs: add missing quotes to CONFIG_SYS_EXTRA_OPTIONS value
karo: configs: update defconfig files
karo: merge with Ka-Ro specific tree for secure boot support