some mips iperf3 tests

[Lucian Cristian]

If someone needs an image about the speed of wireguard on mips 4.14.52 
kernel these are some values made with iperf3 (but the "server" is the 
infamous version 0.0.20180620)


[    0.000000] SoC: Qualcomm Atheros QCA9533 ver 1 rev 1
[    0.000000] CPU clock: 550.000 MHz

Max down 37.4 Mbits/sec
Max up   53.7 Mbits/sec

[    0.000000] SoC: Qualcomm Atheros QCA956X ver 1 rev 0
[    0.000000] CPU clock: 775.000 MHz

Max down  82.8 Mbits/sec
Max up    73.6 Mbits/sec

Regards