qdpc-host: import from Quantenna SDK v37.4.0.38.

quantenna-sdk-v37.4.0.38.tar.gz/
  drivers/pcie2 -> drivers/net/wireless/quantenna/pcie2

Change-Id: I539b4d0a476e50c7435458ca73841c1e8cdd7439
7 files changed
tree: fe4cced18ae255c807bb869665bc6631548d9c8f
  1. drivers/