add other chip platforms

[SenvenQi]

How to add other chip platforms with their own compilers, such as Loongarch64 Linux gnu

[indygreg]

Is it just loongarch64 Linux or are there are target platforms you think are missing?

Generally, a target platform is implemented if a) there is a market for it b) there is already support in CPython for that target c) building it isn't super difficult, ...

[SenvenQi]

Make always matches multiple targets