Triton interop improvements

[Balint-R]

#36 (comment)

• https://github.com/Huawei-CPLLab/PyDSL/pull/36/files#r2257337640 Does Triton allow keyword arguments? Future PR: support kw args for Triton functions.
• Added triton interop support #36 (comment) PR: Move grid indexing to square bracket notation. Then slightly improve the check of whether num args is correct.
• https://github.com/Huawei-CPLLab/PyDSL/pull/36/files#r2258102148 triton-adapter-opt converts Index to UInt32. Complain to developers of triton-adapter-opt.
• https://github.com/Huawei-CPLLab/PyDSL/pull/36/files#r2257480284 Figure out return type of Triton function. Future PR: reverse parse ttir string to MLIR type. Triton functions probably can't return values.

[Ritsuka314]

Can Triton function even return?

[Balint-R]

Can Triton function even return?

Hmm maybe not. That makes things easier.