Bug#1014283: nvidia-tesla-510-driver: nvidia-powerd is missing, but present in original driver

[Alexandr Podgorniy]

I copied nvidia-powerd binary and .service files from original driver. 
Most of the time it works as expected, but sometimes nvidia-powerd 
stucks at 100% cpu usage. Maybe it's not a good idea to include it into 
package until it's fixed.