CONFIG_MACH_TOUCHBOOK is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_TOUCHBOOK.
Result is shown for kernelversion 6.5.1
OMAP3 Touch Book
modulename: board-omap3touchbook.ko
configname: CONFIG_MACH_TOUCHBOOK
Linux Kernel Configuration
└─>TI OMAP2/3/4 Specific Features
└─>OMAP3 Touch Book