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

Use one LED group

configname: CONFIG_ETRAX_NBR_LED_GRP_ONE

Nbr of Ethernet LED groups
└─>Use one LED group
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
Select this if you want one Ethernet LED group. This LED group
can be used for one or more Ethernet interfaces. However, it is
recommended that each Ethernet interface use a dedicated LED group.