CONFIG_ARCH_ENP2611 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Support Radisys ENP-2611
modulename: enp2611.ko
configname: CONFIG_ARCH_ENP2611
Linux Kernel Configuration
└─>Intel IXP2400/2800 Implementation Options
└─>Support Radisys ENP-2611
In linux kernel since version 2.6.12
Say 'Y' here if you want your kernel to support the Radisys
ENP2611 PCI network processing card. For more information on
this card, see Documentation/arm/IXP2000.
ENP2611 PCI network processing card. For more information on
this card, see Documentation/arm/IXP2000.