Rule of thumb for OpenWRT:

In general for consumer routers, Broadcom-based ones like the one posted require a lot of work and hacking to port and maintain. If they’re even working with OpenWRT at all it can be quite dicey and troblesome if you are not very lucky.

In comparison, Mediatek-based models tend to be better supported and smoother sailing.

I haven’t seen much of Qualcomm but I’d guess they fall somewhere closer to Broadcom.

So no, I don’t think it’s a good pick. If OP got it handed down for free it might be worth a shot but I would buy something else if the purpose is to run OpenWRT or any Linux or BSD on it.

Source: Installed OpenWRT on many different devices over the years, including one with the same chipset