CONFIG_PPC_FSL_BOOK3E is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
default or selected kernelversion does not have config value CONFIG_PPC_FSL_BOOK3E.
Result is shown for kernelversion 6.9.9

CONFIG_PPC_FSL_BOOK3E (not configurable)

modulename: cpu_setup_fsl_booke.ko

and/or

fsl_booke.ko

and/or

book3e_hugetlbpage.ko

configname: CONFIG_PPC_FSL_BOOK3E

Linux Kernel Configuration
└─>Processor support
└─>PPC_FSL_BOOK3E
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
source code:
arch/powerpc/kernel/