CONFIG_AMIGA_PCMCIA is not available for the selected architecture x86.
Result is shown for architecture m68k

Amiga 1200/600 PCMCIA support (EXPERIMENTAL)

modulename: pcmcia.ko

configname: CONFIG_AMIGA_PCMCIA

Linux/68k Kernel Configuration
└─>General setup
└─>Amiga 1200/600 PCMCIA support (EXPERIMENTAL)
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:
depends
CONFIG_AMIGA
CONFIG_EXPERIMENTAL or CONFIG_MMU

is selected by
CONFIG_APNE