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

Freescale Embedded Perfmon

configname: CONFIG_FSL_EMB_PERFMON

Linux Kernel Configuration
└─>Processor support
└─>Freescale Embedded Perfmon
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
This is the Performance Monitor support found on the e500 core
and some e300 cores (c3 and c4). Select this only if your
core supports the Embedded Performance Monitor APU

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