default or selected kernelversion does not have config value CONFIG_NETLOGIC_XLR_NET.
Result is shown for kernelversion 6.9.9

Netlogic XLR/XLS network device

modulename: xlr_net.ko

configname: CONFIG_NETLOGIC_XLR_NET

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Network device support
└─>Netlogic XLR/XLS network device
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This driver support Netlogic XLR/XLS on chip gigabit
Ethernet.

source code: