CP-6968: Bind GPUs to the NVIDIA driver when required
CP-6968: Bind GPUs to the NVIDIA driver when required

When creating a vGPU, make sure the target physical GPU is bound to the
NVIDIA driver first.

Imported from xen-api.git c3b6069aa5c752be70b40f6261496ab7a3505504

Signed-off-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>
Imported-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>

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