CVE-2025-68181 drm/radeon: Remove calls to drm_put_dev()

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Remove calls to drmputdev Since the allocation of the drivers main structure was changed to devmdrmdevalloc drmputdev'ing to trigger it to be free'd should be done by devres. However, drmputdev is still in the probe...