Apply PPP patch for TOS 5.0 HBT

[vojtech.myslivec]

For anybody interested, the promised UCI option is heading to Turris OS 5.0.1

@peci1

Yesterday I found about 5-10 bugreports in OpenWRT and its forums that are exactly the same. Nobody found a better solution than the sleep, though.

Interesting… Wondering if could push something like that into OpenWrt upstream then