Update the link of pointpillars model on the Lyft dataset (#1391)

* fix README typo (#1292)

* [Fix]fix init_model to support 'device=cpu' (#1275)

* fix init_model

* Refine warning message
Co-authored-by: Tai-Wang <tab_wang@outlook.com>

* fixed docs/zh_cn.getting_started (#1298)

* [Doc] Add documentation for multi-node train with pytorch original ddp (#1296)

* update mn_train

* update

* Fix typos
Co-authored-by: Tai-Wang <tab_wang@outlook.com>

* add multi-machine dist_train (#1303)

* Update README.md

fix the link error
Co-authored-by: ChaimZhu <zhuchenming@pjlab.org.cn>
Co-authored-by: VVsssssk <88368822+VVsssssk@users.noreply.github.com>
Co-authored-by: Tai-Wang <tab_wang@outlook.com>
Co-authored-by: Subjectivist <xuejiapeng_upc@163.com>
Co-authored-by: Enze Xie <Johnny_ez@163.com>
Co-authored-by: Wenwei Zhang <40779233+ZwwWayne@users.noreply.github.com>

configs/pointpillars/README.md

@@ -39,7 +39,7 @@ We implement PointPillars and provide the results and checkpoints on KITTI, nuSc
 |  Backbone   | Lr schd | Mem (GB) | Inf time (fps) | Private Score | Public Score | Download |
 | :---------: | :-----: | :------: | :------------: | :----: |:----: | :------: |
 |[SECFPN](./hv_pointpillars_secfpn_sbn-all_2x8_2x_lyft-3d.py)|2x|12.2||13.8|14.1|[model](https://download.openmmlab.com/mmdetection3d/v1.0.0_models/pointpillars/hv_pointpillars_secfpn_sbn-all_2x8_2x_lyft-3d/hv_pointpillars_secfpn_sbn-all_2x8_2x_lyft-3d_20210829_100455-82b81c39.pth) | [log](https://download.openmmlab.com/mmdetection3d/v1.0.0_models/pointpillars/hv_pointpillars_secfpn_sbn-all_2x8_2x_lyft-3d/hv_pointpillars_secfpn_sbn-all_2x8_2x_lyft-3d_20210829_100455.log.json)|
-|[FPN](./hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d.py)|2x|9.2||14.8|15.0|[model](https://download.openmmlab.com/mmdetection3d/v1.0.0_models/pointpillars/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d_20210822_095429-0b3d6196.pth) | [log](https://download.openmmlab.com/mmdetection3d/v1.0.0_models/pointpillars/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d_20210822.log.json)|
+|[FPN](./hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d.py)|2x|9.2||14.8|15.0|[model](https://download.openmmlab.com/mmdetection3d/v1.0.0_models/pointpillars/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d_20210822_095429-0b3d6196.pth) | [log](https://download.openmmlab.com/mmdetection3d/v1.0.0_models/pointpillars/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d/hv_pointpillars_fpn_sbn-all_2x8_2x_lyft-3d_20210822_095429.log.json)|
 
 ### Waymo