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

Taishan

configname: CONFIG_TAISHAN

Linux Kernel Configuration
└─>Taishan
In linux kernel since version 2.6.21 (release Date: 2007-04-25)  
This option enables support for the AMCC PPC440GX "Taishan"
evaluation board.