add ctc inference code (#1806)

zhifu gao

2024-06-11 997374b88fe6b2ae5cb4dcaf47d78cb3eff09fc2

 funasr/models/rwkv_bat/rwkv.py

@@ -76,6 +76,7 @@
        x = x + self.dropout_ffn(ffn)
        return x, state


class RWKVDecoderLayer(torch.nn.Module):
    """RWKV module.