CONFIG_PCI_HYPERV is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT

Hyper-V PCI Frontend

modulename: pci-hyperv.ko

configname: CONFIG_PCI_HYPERV

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>Hyper-V PCI Frontend
In linux kernel since version 3.10 (release Date: 2013-06-30)  
The PCI device frontend driver allows the kernel to import arbitrary
PCI devices from a PCI backend to support PCI driver domains.

source code:
drivers/pci/controller/pci-hyperv.c