Add XPU code owners (#128486)

Pull Request resolved: https://github.com/pytorch/pytorch/pull/128486
Approved by: https://github.com/atalman, https://github.com/malfet

.github/merge_rules.yaml

@@ -244,6 +244,7 @@
   - torch/csrc/xpu/**
   - torch/xpu/**
   - test/xpu/**
+  - test/test_xpu.py
   - third_party/xpu.txt
   - .ci/docker/ci_commit_pins/triton-xpu.txt
   approved_by:

CODEOWNERS

@@ -57,6 +57,7 @@ nn/qat/ @jerryzh168
 /.ci/docker/ @jeffdaily
 /.ci/docker/ci_commit_pins/triton.txt @desertfire @Chillee @eellison @shunting314 @bertmaher @jeffdaily @jataylo @jithunnair-amd @pruthvistony
 /.ci/docker/ci_commit_pins/triton-rocm.txt @jeffdaily @jataylo @jithunnair-amd @pruthvistony
+/.ci/docker/ci_commit_pins/triton-xpu.txt @EikanWang @gujinghui
 
 # Github Actions
 # This list is for people wanting to be notified every time there's a change
@@ -132,6 +133,15 @@ caffe2/operators/hip @jeffdaily @jithunnair-amd
 caffe2/operators/rnn/hip @jeffdaily @jithunnair-amd
 caffe2/utils/hip @jeffdaily @jithunnair-amd
 
+# XPU-specific files
+/aten/src/ATen/xpu/ @EikanWang @gujinghui
+/c10/xpu/ @EikanWang @gujinghui
+/torch/csrc/xpu/ @EikanWang @gujinghui
+/torch/xpu/ @EikanWang @gujinghui
+/test/xpu/ @EikanWang @gujinghui
+/test/test_xpu.py @EikanWang @gujinghui
+/third_party/xpu.txt @EikanWang @gujinghui
+
 # torch.export
 /torch/export/ @avikchaudhuri @gmagogsfm @tugsbayasgalan @zhxchen17
 /torch/_export/ @avikchaudhuri @gmagogsfm @tugsbayasgalan @zhxchen17