v4.2: Add Anxiety I/O Scheduler and set it as default

• Merged 4.4.214
• Merged qca-wifi-host-cmn & qcacld-3.0: Merge LA.UM.7.2.r1-08200-sdm660.0
• Added Anxiety I/O Scheduler
• Added DTS Eagle audio support
• Added Wireguard Back
• Compiled with clang 10.0.1