Fix regression introduced by commit:
"drm/i915: Individualize fences before adding to dma_resv obj"
which sets obj->read_domains to 0 for both read and write paths.
Also set obj->write_domain to 0 on read path which was removed by
the commit.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/6639
Fixes: 420a07b8 ("drm/i915: Individualize fences before adding to dma_resv obj")
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Cc: <stable@vger.kernel.org> # v5.16+
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907172641.12555-1-nirmoy.das@intel.com