I wouldn’t be surprised if they started working on it, but even if they had a design ready, it wouldn’t happen overnight. Apps, and Android itself, don’t yet have support for RISC-V (though I believe Android 15 has preliminary support).
At the moment, Qualcomm likely has to bend over and take it
I’m using the stick pixel os (rooted) and keep my bootloader locked with this https://github.com/chenxiaolong/avbroot