CONFIG_HNS3_ENET is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT

Hisilicon HNS3 Ethernet Device Support

modulename: hns3.ko

configname: CONFIG_HNS3_ENET

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>PCI support
└─>Hisilicon HNS3 Ethernet Device Support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This selects the Ethernet Driver for Hisilicon Network Subsystem 3 for hip08
family of SoCs. This module depends upon HNAE3 driver to access the HNAE3
devices and their associated operations.

source code:
drivers/net/ethernet/hisilicon/hns3/
selects
CONFIG_DIMLIB