TGL/DG2: crash during driver load

• TGL report:

  • Reproducible in 2 of 2 TGLs tested.
  • Head commit tested: 19026b7e ("drm/xe: Remove i915 header dependency when building without display")
  • dmesg.txt
  • .config

• DG2 report:

  • Head commit tested: 7c6ec9c7 ("drm/xe: Add support for CCS engine fusing")
  • dg2_dmesg.txt
  • same config as TGL