CONFIG_MPC86XADS is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

MPC86XADS

modulename: mpc86xads_setup.ko

configname: CONFIG_MPC86XADS

8xx Machine Type
└─>MPC86XADS
In linux kernel since version 2.6.15 (release Date: 2006-01-02)  
MPC86x Application Development System by Freescale Semiconductor.
The MPC86xADS is meant to serve as a platform for s/w and h/w
development around the MPC86X processor families.

source code:
selects
CONFIG_CPM1