Move Partition.cpp to WarpSpecialization directory (triton-lang#6554)

Author: pawelszczerbuk

lib/Dialect/TritonGPU/Transforms/CMakeLists.txt

@@ -22,7 +22,6 @@ add_triton_library(TritonGPUTransforms
   Pipeliner/SoftwarePipeliner.cpp
   Pipeliner/TMAStoresPipeline.cpp
   Pipeliner/MMAv5PipelineUtility.cpp
-  Pipeliner/Partition.cpp
   Pipeliner/PipeliningUtility.cpp
   Pipeliner/Schedule.cpp
   Prefetch.cpp
@@ -33,6 +32,7 @@ add_triton_library(TritonGPUTransforms
   Utility.cpp
   WarpSpecialization/AutomaticWarpSpecialization.cpp
   WarpSpecialization/LoadMMASpecialization.cpp
+  WarpSpecialization/Partition.cpp
   WarpSpecialization/OptimizePartitionWarps.cpp
   WarpSpecialization/PartitionLoops.cpp
   WarpSpecialization/RewritePartitionDependencies.cpp