Fixed a number of OS issues on the pi4

[anthony-maio]

https://github.com/anthony-maio/dakboard-optimization

DAKboard WiFi Problem Analysis and Solution
https://github.com/anthony-maio/dakboard-optimization/blob/main/docs/wifi-problem-analysis.md
The Original Problem
The system was experiencing WiFi disconnections approximately twice per day, with the following characteristics:

Error message in logs:
ieee80211 phy0: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
Timing pattern:
Occurred roughly twice daily
No consistent time pattern
Required manual intervention
Board looks online remotely and on router
Cannot SSH in
Board cannot reach Dakboard server and does not update

Technical Overview of changes:
https://github.com/anthony-maio/dakboard-optimization/blob/main/docs/technical-changes.md

[cocarrig]

Thanks Anthony,

We're going to take a look at this internally and test these changes, and find a way to safely add the working improvements to our image to support all Pi types.