anv: Fix destroying descriptor sets when pool gets reset
pool->next and pool->free_list were reset before their usage in anv_descriptor_pool_free_set Fixes: 775aabdd "anv: destroy descriptor sets when pool gets reset" Signed-off-by:Danylo Piliaiev <danylo.piliaiev@globallogic.com> Reviewed-by:
Jason Ekstrand <jason@jlekstrand.net> Reviewed-by:
Lionel Landwerlin <lionel.g.landwerlin@intel.com> (cherry picked from commit 9c80be95)