CONFIG_MIPS_EV96100 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)

modulename: fixup-ev64120.ko

and/or

fixup-ev96100.ko

configname: CONFIG_MIPS_EV96100

Linux/MIPS Kernel Configuration
└─>Machine selection
└─>Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)
In linux kernel since version 2.6.12  
This is an evaluation board based on the Galileo GT-96100 LAN/WAN
communications controllers containing a MIPS R5000 compatible core
running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
here if you wish to build a kernel for this platform.

source code: