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

CONFIG_PPC_CELL_COMMON (not configurable)

modulename: cbe_regs.ko

configname: CONFIG_PPC_CELL_COMMON

Linux Kernel Configuration
└─>PPC_CELL_COMMON
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
source code:
/arch/powerpc/platforms/cell/

is depended by
CONFIG_PPC_CELL_QPACE