use-cases: Update documentation for using Nvidia GPU with Kata
When running docker with Nvidia GPU, the option --cap-add=ALL is required.
Fixes:
@@ -199,7 +199,7 @@ Use the following steps to pass an Nvidia GPU device in pass-through mode with K
4. Start a Kata container with GPU device:
```
- $ sudo docker run -it --runtime=kata-runtime --rm --device /dev/vfio/45 centos /bin/bash
+ $ sudo docker run -it --runtime=kata-runtime --cap-add=ALL --device /dev/vfio/45 centos /bin/bash
```
5. Run `lspci` within the container to verify the GPU device is seen in the list
