drm/xe: Add exec queue param to devcoredump

During capture time, the target job may be unavailable (e.g., if it's in
LR mode). However, the associated exec queue will be available
regardless, so add an exec queue param for such cases.

v2:
 - Reword commit message (Jonathan)

Cc: Zhanjun Dong <zhanjun.dong@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241114022522.1951351-5-matthew.brost@intel.com