CONFIG_ETRAX_ARCH_V10 is not available for thedefaultarchitecture x86.
Result is shown for architecture cris

CONFIG_ETRAX_ARCH_V10 (not configurable)

modulename: eth_v10.ko

configname: CONFIG_ETRAX_ARCH_V10

Linux Kernel Configuration
└─>Hardware setup
└─>ETRAX_ARCH_V10
In linux kernel since version 2.6.12  
source code:
selects
CONFIG_TTY

is selected by
CONFIG_ETRAX_USB_HOST