Enable CXL Error Check Scrub (Repair)

configname: CONFIG_CXL_EDAC_ECS

Linux Kernel Configuration
└─>Device Drivers
└─>CXL (Compute Express Link) Devices Support
└─>Enable CXL Error Check Scrub (Repair)
In linux kernel since version 5.4.297 (release Date: 2025-08-28)
The CXL EDAC ECS control is optional and allows host to
control the ECS feature configurations of CXL memory expander
devices.

When enabled 'cxl_mem' EDAC devices are published with memory
ECS control attributes as described by <a href="https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-edac-ecs.

Say">Documentation/ABI/testing/sysfs-edac-ecs.

Say</a> 'y' if you have an expert need to change default settings
of a memory ECS feature established by the platform/device.
Otherwise say 'n'.