CONFIG_SA1100_SSP is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Generic PIO SSP

modulename: ssp.ko

configname: CONFIG_SA1100_SSP

Linux Kernel Configuration
└─>SA11x0 Implementations
└─>Generic PIO SSP
In linux kernel since version 2.6.12  
Say Y here to enable support for the generic PIO SSP driver.
This isn't for audio support, but for attached sensors and
other devices, eg for BadgePAD 4 sensor support.

source code: