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

PMC-Sierra Yosemite eval board

modulename: fixup-yosemite.ko

configname: CONFIG_PMC_YOSEMITE

System type
└─>PMC-Sierra Yosemite eval board
In linux kernel since version 2.6.12  
Yosemite is an evaluation board for the RM9000x2 processor
manufactured by PMC-Sierra.

source code:
arch/mips/pci/