stlink port?

Hello,

this is a port of https://github.com/stlink-org/stlink:

"STLink is an open source toolset to program and debug STM32 devices
and boards manufactured by STMicroelectronics. It supports several
so called STLINK programmer boards (and clones thereof) which use
a microcontroller chip to translate commands from USB to JTAG/SWD."

I could separate the gui in another package or use flavors if there
is any interest in the port.

I'm not offering myself as the maintainer because I'm not a cmake
user.

Regards,
adr.