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

IBM Cell Blade

configname: CONFIG_PPC_IBM_CELL_BLADE

Linux Kernel Configuration
└─>IBM Cell Blade
In linux kernel since version 2.6.18 (release Date: 2006-09-19)