intel/dev: fixup chv workaround
We're using the wrong helper to get the subslice total count. Signed-off-by:Lionel Landwerlin <lionel.g.landwerlin@intel.com> Fixes: c24ba6ce ("intel/dev: Handle CHV CS thread weirdness in get_device_info_from_fd") Reviewed-by:
Tapani Pälli <tapani.palli@intel.com> Part-of: <mesa/mesa!14492> (cherry picked from commit d6c0d167)