fix ascend fused moe spelling error (#2863)

### What this PR does / why we need it?
fix ascend fused moe spelling error

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

0ae43dbf8c

- vLLM version: main
- vLLM main:
fcc0a3130a

Signed-off-by: zhaozixin <zhaozixin1@huawei.com>
Co-authored-by: zhaozixin <zhaozixin1@huawei.com>

vllm_ascend/ops/common_fused_moe.py

@@ -246,7 +246,7 @@ class AscendFusedMoE(FusedMoE):
         prefix="",
         custom_routing_function=None,
         scoring_func="softmax",
-        routed_scaling_fator: float = 1.0,
+        routed_scaling_factor: float = 1.0,
         e_score_correction_bias=None,
         apply_router_weight_on_input=False,
         activation="silu",
@@ -272,7 +272,7 @@ class AscendFusedMoE(FusedMoE):
             prefix,
             custom_routing_function,
             scoring_func,
-            routed_scaling_fator,
+            routed_scaling_factor,
             e_score_correction_bias,
             apply_router_weight_on_input,
             activation,