[llvm] [mlir][nvgpu][nvvm] Add myself as a primary reviewer for nvgpu and nvvm dialects (PR #85414)

[Mehdi Amini via llvm-commits]

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@@ -106,5 +106,16 @@ clang/test/AST/Interp/ @tbaederr
 # MLIR Sparsifier.
 /mlir/**/*SparseTensor*/ @aartbik @PeimingLiu @yinying-lisa-li @matthias-springer
 
+# MLIR NVGPU Dialect
+/mlir/**/NVGPU/ @grypp
+/mlir/**/NVGPUTo*/ @grypp
+/mlir/**/NVGPUTo*/ @grypp
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joker-eph wrote:

What's the difference between the last two lines?

Also can you compress the three lines into: `mlir/**/NVGPU*/` ?

https://github.com/llvm/llvm-project/pull/85414