CONFIG_ARCH_EBSA110 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

EBSA-110

configname: CONFIG_ARCH_EBSA110

ARM system type
└─>EBSA-110
In linux kernel since version 2.6.12  
This is an evaluation board for the StrongARM processor available
from Digital. It has limited hardware on-board, including an
Ethernet interface, two PCMCIA sockets, two serial ports and a
parallel port.