CONFIG_INTEGRATOR_IMPD1 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Include support for Integrator/IM-PD1

modulename: impd1.ko

and/or

clk-impd1.ko

configname: CONFIG_INTEGRATOR_IMPD1

Linux Kernel Configuration
└─>ARM Ltd. Integrator family
└─>Include support for Integrator/IM-PD1
In linux kernel since version 2.6.12  
The IM-PD1 is an add-on logic module for the Integrator which
allows ARM(R) Ltd PrimeCells to be developed and evaluated.
The IM-PD1 can be found on the Integrator/PP2 platform.

source code:
arch/arm/mach-integrator/impd1.c