[SM6.10][Exec] Don't used signed types for unsigned values

[V-FEXrt]

Comparing int32_t for M/N to size_t caused failures on internal pipelines ala #8336

Since M/N don't make sense as negative values remove the entire class of errors by changing them to unsigned types.

[github-actions]

⚠️ C/C++ code formatter, clang-format found issues in your code. ⚠️

You can test this locally with the following command:

git-clang-format --diff a5877b6bcd333cf742c2840cdd494e5b02f11cf6 d4676f9a497edaab04ee85c73c8d71178c2ef5f3 -- tools/clang/unittests/HLSLExec/LinAlgTests.cpp

View the diff from clang-format here.

diff --git a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
index 01fe9b6c..30edf8eb 100644
--- a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
+++ b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
@@ -229,8 +229,9 @@ static bool fillInputBuffer(LPCSTR Name, std::vector<BYTE> &Data,
   return false;
 }
 
-static VariantCompType makeExpected(ComponentType CompType, MatrixDim M, MatrixDim N,
-                                    float StartingVal, bool Increment = true,
+static VariantCompType makeExpected(ComponentType CompType, MatrixDim M,
+                                    MatrixDim N, float StartingVal,
+                                    bool Increment = true,
                                     bool Transpose = false) {
   const size_t NumElements = M * N;
   std::vector<float> Floats(NumElements);

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