[NVIDIA] Bugfix NVFP4 DGX Spark and RTX50 (#38423)

Signed-off-by: johnnynunez <johnnynuca14@gmail.com>
Signed-off-by: Johnny <johnnynuca14@gmail.com>

csrc/quantization/machete/machete_mainloop.cuh

@@ -154,6 +154,7 @@ struct MacheteCollectiveMma {
   struct DispatchPolicy {
     constexpr static int Stages = PipelineStages;
     using ClusterShape = ClusterShape_MNK;
+    using ArchTag = arch::Sm90;
     using Schedule = KernelScheduleType;
   };