Update tridentnet model links and logs (#4388)

* update tridentnet model links

* fix log postfix

Author: ZwwWayne

configs/tridentnet/README.md

@@ -17,6 +17,6 @@ We reports the test results using only one branch for inference.
 
 |    Backbone     |  Style  | mstrain | Lr schd | Mem (GB) | Inf time (fps) | box AP | Download |
 | :-------------: | :-----: | :-----: | :-----: | :------: | :------------: | :----: | :------: |
-|    R-50         |  caffe  |    N    |   1x    |          |                | 37.7   |  |
-|    R-50         |  caffe  |    Y    |   1x    |          |                | 37.6   |  |
-|    R-50         |  caffe  |    Y    |   3x    |          |                | 40.3   |  |
+|    R-50         |  caffe  |    N    |   1x    |          |                | 37.7   |[model](https://download.openmmlab.com/mmdetection/v2.0/tridentnet/tridentnet_r50_caffe_1x_coco/tridentnet_r50_caffe_1x_coco_20201230_141838-2ec0b530.pth) | [log](https://download.openmmlab.com/mmdetection/v2.0/tridentnet/tridentnet_r50_caffe_1x_coco/tridentnet_r50_caffe_1x_coco_20201230_141838.log.json) |
+|    R-50         |  caffe  |    Y    |   1x    |          |                | 37.6   |[model](https://download.openmmlab.com/mmdetection/v2.0/tridentnet/tridentnet_r50_caffe_mstrain_1x_coco/tridentnet_r50_caffe_mstrain_1x_coco_20201230_141839-6ce55ccb.pth) | [log](https://download.openmmlab.com/mmdetection/v2.0/tridentnet/tridentnet_r50_caffe_mstrain_1x_coco/tridentnet_r50_caffe_mstrain_1x_coco_20201230_141839.log.json) |
+|    R-50         |  caffe  |    Y    |   3x    |          |                | 40.3   |[model](https://download.openmmlab.com/mmdetection/v2.0/tridentnet/tridentnet_r50_caffe_mstrain_3x_coco/tridentnet_r50_caffe_mstrain_3x_coco_20201130_100539-46d227ba.pth) | [log](https://download.openmmlab.com/mmdetection/v2.0/tridentnet/tridentnet_r50_caffe_mstrain_3x_coco/tridentnet_r50_caffe_mstrain_3x_coco_20201130_100539.log.json) |