drm/xe: Remove additional spaces in devcoredump HW Engines section

I guess the indention was to keep it visually aligned but that
would require a lot of spaces and was not followed by other registers
so lets just drop it.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Maarten Lankhorst <dev@lankhorst.se>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240123204454.246788-7-jose.souza@intel.com