[MIGraphX EP] Add support for Mod OP (#14647)

This has been available since July 25th 2022 in MIGraphX. Appared to be
missing from support list of ops

ROCm/AMDMIGraphX#1302

### Description
<!-- Describe your changes. -->

Add in node name for Mod Operator to be supported by MIGraphX


### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
Expand available functionality to Onnxruntime for the MIGraphX EP

Co-authored-by: Ted Themistokleous <[email protected]>

onnxruntime/core/providers/migraphx/migraphx_execution_provider.cc

@@ -816,7 +816,7 @@ GetUnsupportedNodeIndices(const GraphViewer& graph_viewer,
                                                     "GlobalMaxPool", "Greater", "GreaterOrEqual", "HardSigmoid", "HardSwish", "Identity",
                                                     "If", "ImageScaler", "InstanceNormalization", "LeakyRelu", "Less", "LessOrEqual",
                                                     "Log", "LogSoftmax", "Loop", "LpNormalization", "LRN", "LSTM", "MatMul", "MatMulInteger", "Max", "MaxPool",
-                                                    "Mean", "Min", "Mul", "Multinomial", "Neg", "NonMaxSuppression", "NonZero", "Not",
+                                                    "Mean", "Min", "Mod", "Mul", "Multinomial", "Neg", "NonMaxSuppression", "NonZero", "Not",
                                                     "OneHot", "Or", "Pad", "Pow", "PRelu", "QuantizeLinear", "RandomNormal", "RandomNormalLike",
                                                     "RandomUniform", "RandomUniformLike", "Range", "Reciprocal", "ReduceL1", "ReduceL2",
                                                     "ReduceLogSum", "ReduceLogSumExp", "ReduceMax", "ReduceMean", "ReduceMin", "ReduceProd",