CONFIG_MPC832x_MDS is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
Freescale MPC832x MDS
modulename: mpc832x_mds.ko
configname: CONFIG_MPC832x_MDS
Linux Kernel Configuration
└─>83xx Board Type
└─>Freescale MPC832x MDS
In linux kernel since version 2.6.19 (release Date: 2006-11-29)
This option enables support for the MPC832x MDS evaluation board.