radv: debug: Update decode ring umr command

The old ring decoder command is deprecated since umr release 1.0.4 and
was effectively removed at 1.0.7. Update the command to use the new
decode flag.

Signed-off-by: André Almeida <andrealmeid@igalia.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Tatsuyuki Ishi <ishitatsuyuki@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22576>

src/amd/vulkan/radv_debug.c

@@ -664,7 +664,7 @@ radv_dump_umr_ring(struct radv_queue *queue, FILE *f)
    if (ring != AMD_IP_GFX)
       return;
 
-   sprintf(cmd, "umr -R %s 2>&1",
+   sprintf(cmd, "umr -RS %s 2>&1",
            device->physical_device->rad_info.gfx_level >= GFX10 ? "gfx_0.0.0" : "gfx");
 
    fprintf(f, "\nUMR GFX ring:\n\n");