CONFIG_OCOTEA is not available for thedefaultarchitecture x86.
Result is shown for architecture ppc

Ocotea

modulename: ocotea.ko

and/or

pci_auto.ko

configname: CONFIG_OCOTEA

Machine Type
└─>Ocotea
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This option enables support for the IBM PPC440GX evaluation board.

source code:
arch/ppc/platforms/4xx/ocotea.c