qcacld-3.0: Implement iwpriv cmd to get WLM stats from FW
As per new requirements to debug game latency related issues,
implement an iwpriv command which:
1) sends a bitmask to FW's Wireless Latency Manager module (WLM).
2) receives from WLM a measurement header along with measurement data.
3) converts both the header and data to a hexadecimal encoded string.
4) returns the hexadecimal encoded string to userspace
Change-Id: Ic79c4b757fe2d4e806306750250e3c102745c486
CRs-Fixed: 2388920
7 files changed