std.Target: Use mips32r2/mips64r2 as the baseline CPU models for mips/mips64.
This matches Clang's defaults. That also means these CPU models tend to get more
testing, so they're a safer baseline choice. Anecdotally, the oldest MIPS
hardware that I've seen anyone run Zig on was also r2.
e26b64a87dAlex Rønne Petersen committed on 10/26/2024, 7:59:59 PMparent385f586