tree deb85986426dc69de0cf4c8eceef62d5dc51f6c2
parent 82d4a6235fef609fcc336f1eff7afe876f3b0736
author Harshit Aghera <haghera@nvidia.com> 1745245210 +0530
committer Ed Tanous <ed@tanous.net> 1748355026 +0000

nvidia-gpu: add entity-manager support

The commit add support for reading of the entity-manager configurations
to the gpu dbus sensor app.

Tested.

Build an image for gb200nvl-obmc machine with the following patches
cherry picked. This patches are needed to enable the mctp stack.

https://gerrit.openbmc.org/c/openbmc/openbmc/+/79312
https://gerrit.openbmc.org/c/openbmc/openbmc/+/79422

Copy the gpusensor app and run it.
```
root@gb200nvl-obmc:~# ./nvidiagpusensor
```

The app is detecting entity-manager configuration on gb200nvl-obmc
machine. The app is also able to detect all the endpoints from the mctp
service dbus tree.

Change-Id: I05a0597964bcc0c135484fed714b6f677adc5891
Signed-off-by: Harshit Aghera <haghera@nvidia.com>