default or selected kernelversion does not have config value CONFIG_DRM_XE_DEBUG.
Result is shown for kernelversion 6.8-rc5

Enable additional driver debugging

configname: CONFIG_DRM_XE_DEBUG

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>drm/Xe Debugging
└─>Enable additional driver debugging
Choose this option to turn on extra driver debugging that may affect
performance but will catch some internal issues.

Recommended for driver developers only.

If in doubt, say "N".

depends
CONFIG_DRM_XE
CONFIG_EXPERT
CONFIG_HAS_IOMEM
NOT CONFIG_COMPILE_TEST