add mc2 mask

Signed-off-by: weiguihua2 <weiguihua2@huawei.com>

Author: weiguihua2

vllm_ascend/ops/fused_moe.py

@@ -1179,6 +1179,9 @@ def forward(self,
                     hidden_states, (0, 0, 0, tp_size - num_tokens))
                 router_logits = nn.functional.pad(
                     router_logits, (0, 0, 0, tp_size - num_tokens))
+                if mc2_mask is not None:
+                    mc2_mask = nn.functional.pad(
+                        mc2_mask, (0, tp_size - num_tokens))
             chunk_hidden_states = torch.tensor_split(hidden_states,
                                                      tp_size,
                                                      dim=0)