CONFIG_HD64461_ENABLER is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

HD64461 PCMCIA enabler

configname: CONFIG_HD64461_ENABLER

Linux Kernel Configuration
└─>Companion Chips
└─>HD64461 PCMCIA enabler
In linux kernel since version 2.6.12  
Say Y here if you want to enable PCMCIA support
via the HD64461 companion chip.
Otherwise, say N.

depends
CONFIG_HD64461