CONFIG_MIKROTIK_RB532 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Mikrotik RB532 boards

modulename: pci-rc32434.ko

configname: CONFIG_MIKROTIK_RB532

System type
└─>Mikrotik RB532 boards
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Support the Mikrotik(tm) RouterBoard 532 series,
based on the IDT RC32434 SoC.

source code: