CONFIG_M532x is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k

MCF532x

modulename: timers.ko

configname: CONFIG_M532x

CPU
└─>MCF532x
In linux kernel since version 2.6.18 (release Date: 2006-09-19)  
Freescale (Motorola) ColdFire 532x processor support.

source code:
arch/m68k/platform/coldfire/

depends
 or CONFIG_COLDFIRE |
NOT | CONFIG_MMU

is selected by
CONFIG_FEC