[vec][spk] add speechbrain ecapa-tdnn result

examples/voxceleb/sv0/RESULT.md

@@ -5,3 +5,7 @@
 | Model | Number of Params | Release | Config | dim | Test set |  Cosine | Cosine + S-Norm | 
 | --- | --- | --- | --- | --- | --- | --- | ---- |
 | ECAPA-TDNN | 85M | 0.2.1 | conf/ecapa_tdnn.yaml | 192 | test | 0.8188 | 0.7815|
+
+> [SpeechBrain result](https://github.com/speechbrain/speechbrain/tree/develop/recipes/VoxCeleb/SpeakerRec#speaker-verification-using-ecapa-tdnn-embeddings):  
+> EER = 0.90% (voxceleb1 + voxceleb2) without s-norm  
+> EER = 0.80% (voxceleb1 + voxceleb2) with s-norm.