* Fix wifi
patch "board-h2plus-nanopi-duo-add-device.patch": increase post-power-on-delay-ms from 50ms to 200ms in wifi_pwrseq node in nanopi-duo dts [dev-branch].
Change in line with other XRADIO device trees (orange pi zero, sunvell).
See also Pull Request #1605.
* Fix xradio patch (dev-branch)
fix KConfig to 5.x - WLAN_VENDOR-flag set to "y" in line with other drivers - otherwise module not loaded.
* correct device name
change nodes "model" and "compatible" to correct device name (from "NanoPi Duo AIR" to "NanoPi Duo") [dev-branch]
Not functionally necessary, but more correct.