CONFIG_AMIGA_PCMCIA is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k

Amiga 1200/600 PCMCIA support

modulename: pcmcia.ko

configname: CONFIG_AMIGA_PCMCIA

Linux Kernel Configuration
└─>Amiga 1200/600 PCMCIA support
In linux kernel since version 2.6.12  
Include support in the kernel for pcmcia on Amiga 1200 and Amiga
600. If you intend to use pcmcia cards say Y; otherwise say N.

source code:

is selected by
CONFIG_APNE