[Hotfix] Fix router gemm on sm103 (#22134)

Author: Fridge003

python/sglang/srt/models/deepseek_v2.py

@@ -326,7 +326,7 @@ def forward(
                 and (self.weight.shape[0] == 256 or self.weight.shape[0] == 384)
                 and _device_sm >= 90
             ):
-                if _device_sm >= 100 and self.weight.shape[0] == 256:
+                if _device_sm == 100 and self.weight.shape[0] == 256:
                     # router gemm output float32
                     logits = torch.empty(
                         hidden_states.shape[0],