vgpu feature for volcano(device-plugin part)

[archlitchi]

Add vgpu feature for volcano (device-plugin part)

[wangyang0616]

The code has been inspected ok, and marked with /lgtm and /approve flags, but the flags are not automatically synchronized to the label of the PR, it seems that prowbot has not taken effect

[william-wang]

/lgtm /approve

[volcano-sh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: william-wang

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/volcano-sh/devices/blob/master/OWNERS)~~ [william-wang] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[wangyang0616]

/lgtm

[wangyang0616]

tide/merge-method-merge

[wangyang0616]

/tide/merge-method-merge

[wangyang0616]

/check-dco