SWDEV-388833 - [catch2][dtest] p2p tests migrated from dtests to catch2

Recreation of github PR https://github.com/ROCm-Developer-Tools/hip-tests/pull/319,

Change-Id: I6024fd5172a9765756938601a30ed0469b5f1d5b

catch/include/hip_test_defgroups.hh

@@ -119,6 +119,12 @@ THE SOFTWARE.
  * @defgroup ShflTest warp shuffle function Management
  * @{
  * This section describes the warp shuffle types & functions of HIP runtime API.
+ */
+
+/**
+ * @defgroup p2pTest P2P Management
+ * @{
+ * This section describes the P2P management types & functions of HIP runtime API.
  * @}
  */