drm/xe: Move Wa_15015404425 to use the new XE_DEVICE_WA macro

Move Wa_15015404425 to use the new implemented OOB macro XE_DEVICE_WA()

v2: rename from SoC to Device
v5: move workaround call back into the flush call
v6: remove redundant commenting

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://lore.kernel.org/r/20250709221605.172516-6-matthew.s.atwood@intel.com


Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>