[llvm] [RL78 patch 1] Recognize RL78 in triple parsing code. (PR #108395)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> > > Can you link the RFC for this?
> > > Is this OK
> > > https://discourse.llvm.org/t/new-llvm-backend-for-renesas-rl78-mcu/54937
> > > ?

That's 4 years old, best to post a fresh one 

https://github.com/llvm/llvm-project/pull/108395