uConsole: Volume / Mute button?

[guu]

Now
re-download the uconsole_keyboard_flash.tar.gz

md5sum is

0ed78754e3b998d3e023b9568758a22f

now it has applied to RISC-V archtecture

welcome to have a try

I took the riscv64 bin files from Keyboard Update for R01
@comradecactus