CONFIG_MACH_TS72XX is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support Technologic Systems TS-72xx SBC

modulename: ts72xx.ko

configname: CONFIG_MACH_TS72XX

Linux Kernel Configuration
└─>Cirrus EP93xx Implementation Options
└─>Support Technologic Systems TS-72xx SBC
In linux kernel since version 2.6.17 (release Date: 2006-06-17)  
Say 'Y' here if you want your kernel to support the
Technologic Systems TS-72xx board.

source code:
arch/arm/mach-ep93xx/ts72xx.c

is selected by
CONFIG_TS72XX_WATCHDOG

is depended by
CONFIG_MACH_BK3