Netgear R7800 exploration (IPQ8065, QCA9984)

[hnyman]

@dissent1

I think we’ve found the cause and a “fix” for ipq806x wireless regression observed on k4.9

Could you apply the following commit so more ppl can test it?

I made a test build of my community build for R7800 with this patch.
lede-r5442-b0b289ea45-20171202-pcie-0071-fix-test

Build for Netgear R7800

I have built a nice build for Netgear R7800 that offers the basic router functionality plus some useful add-ons, but does not contain too much additional fancy stuff like multimedia. The build is based on the bleeding-edge development main/master branch and the stable 23.05 branch. ("master" has been renamed as "main" in OpenWrt) Current version: Branch Version (branch-revision-commithash-date) main/master (development branch) main-r24930-0c45d2cfc6-20240127 (DSA) stable openwrt-23…