drm/i915: Stub out i915_gpu_coredump_put

drm/i915: Stub out i915_gpu_coredump_put

i915_gpu_coreddump_put is currently only defined if
CONFIG_DRM_I915_CAPTURE_ERROR is enabled, provide a stub otherwise.

Reported-by: Mike Lothian <[email protected]>
Fixes: 742379c0c400 ("drm/i915: Start chopping up the GPU error capture")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Mike Lothian <[email protected]>
Cc: Andi Shyti <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 7e36505d0cf82f2920f2fd22ebb14a8b540396a3)
Signed-off-by: Jani Nikula <[email protected]>