Revert "[SYCL][HIP] remove xfail form tests failing due to wrong event_t address spaces (#570)" (#724)

This reverts commit 367e10e.

Reverting due to intel/llvm#4966 revert.

Author: bader

SYCL/Basic/device_event.cpp

@@ -5,9 +5,9 @@
 // TODO: nd_item::barrier() is not implemented on HOST
 // RUNx: %HOST_RUN_PLACEHOLDER %t.run
 //
-// Returns error "Barrier is not supported on the host device
+// Crashes on AMD, returns error "Barrier is not supported on the host device
 // yet." with Nvidia.
-// XFAIL: hip_nvidia
+// XFAIL: hip_amd || hip_nvidia
 
 //==--------device_event.cpp - SYCL class device_event test ----------------==//
 //

SYCL/Basic/group_async_copy.cpp

@@ -3,6 +3,9 @@
 // RUN: %CPU_RUN_PLACEHOLDER %t.run
 // RUN: %ACC_RUN_PLACEHOLDER %t.run
 // RUN: env SYCL_DEVICE_FILTER=host %t.run
+//
+// Crashes on AMD
+// XFAIL: hip_amd
 
 #include <CL/sycl.hpp>
 #include <iostream>