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

CONFIG_HARRIER (not configurable)

modulename: harrier.ko

configname: CONFIG_HARRIER

Linux/PowerPC Kernel Configuration
└─>Platform options
└─>HARRIER
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
arch/ppc/syslib/harrier.c
depends
CONFIG_PRPMC800