CONFIG_SSB_PCMCIAHOST_POSSIBLE (not configurable)

configname: CONFIG_SSB_PCMCIAHOST_POSSIBLE

Linux Kernel Configuration
└─>Device Drivers
└─>Sonics Silicon Backplane
└─>SSB_PCMCIAHOST_POSSIBLE
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
depends
CONFIG_EXPERIMENTAL
CONFIG_SSB
CONFIG_PCMCIA or CONFIG_PCMCIA=CONFIG_SSB

is selected by
CONFIG_SSB_PCMCIAHOST