gallium/rbug: Wrap resource_get_param if available

Fixes: 0346b700 ("gallium/screen: Add pipe_screen::resource_get_param")
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
(cherry picked from commit f02d1a0b)