CONFIG_MPC8536_DS is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

Freescale MPC8536 DS

modulename: mpc8536_ds.ko

configname: CONFIG_MPC8536_DS

Linux Kernel Configuration
└─>Machine Type
└─>Freescale MPC8536 DS
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
This option enables support for the MPC8536 DS board

source code:
arch/powerpc/platforms/85xx/mpc8536_ds.c

depends
CONFIG_MPC85xx