CONFIG_MACH_TAVOREVB3 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

PXA95x Development Platform (aka TavorEVB III)

modulename: tavorevb3.ko

configname: CONFIG_MACH_TAVOREVB3

Linux Kernel Configuration
└─>Intel PXA2xx/PXA3xx Implementations
└─>PXA95x Development Platform (aka TavorEVB III)
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
source code:
arch/arm/mach-pxa/tavorevb3.c
selects
CONFIG_CPU_PXA950

depends
CONFIG_ARCH_PXA

is selected by
CONFIG_SND_SOC_TAVOREVB3