[SYCL] Assign code owners for invoke_simd.hpp and simd.hpp. (#6746)

Author: kbobrovs

.github/CODEOWNERS

@@ -60,6 +60,10 @@ sycl/include/sycl/ext/intel/esimd.hpp @intel/dpcpp-esimd-reviewers
 sycl/doc/extensions/experimental/sycl_ext_intel_esimd/ @intel/dpcpp-esimd-reviewers
 llvm/lib/SYCLLowerIR/CMakeLists.txt @intel/dpcpp-tools-reviewers @intel/dpcpp-esimd-reviewers
 
+# invoke_simd
+sycl/include/sycl/ext/oneapi/experimental/invoke_simd.hpp @rolandschulz @kbobrovs
+sycl/include/std/experimental/simd.hpp @rolandschulz @kbobrovs
+
 # DevOps configs
 .github/workflows/ @intel/dpcpp-devops-reviewers
 buildbot/ @intel/dpcpp-devops-reviewers