drm/xe: Return immediately on tile_init failure

drm/xe: Return immediately on tile_init failure

There's no reason to proceed with applying workaround and initing
sysfs if we are going to abort the probe upon failure.

Fixes: e5a845fd8fa4 ("drm/xe: Add sysfs entry for tile")
Cc: Lucas De Marchi <[email protected]>
Cc: Matt Roper <[email protected]>
Cc: Matthew Auld <[email protected]>
Reviewed-by: Matt Roper <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Rodrigo Vivi <[email protected]>
(cherry picked from commit af7b93d1d7eeeef674681ddea875be6a29857a5d)
Signed-off-by: Thomas Hellström <[email protected]>