Alphabetise NVML bindings

Signed-off-by: John Else <john.else@citrix.com>
Add binding to nvmlDeviceGetPciInfo

Signed-off-by: John Else <john.else@citrix.com>
Print out PCI bus ID in ml_dlopen

Signed-off-by: John Else <john.else@citrix.com>
Print degrees symbol

Signed-off-by: John Else <john.else@citrix.com>