[SYCL][E2E] XFAIL one more test failing on new driver (#15659)

This was missed in #15649, but it's
failing
[here](https://github.com/intel/llvm/actions/runs/11277066097/job/31362696913?pr=15626).

Signed-off-by: Sarnie, Nick <nick.sarnie@intel.com>

Author: sarnex

sycl/test-e2e/USM/memops2d/memcpy2d_shared_to_dhost.cpp

@@ -10,6 +10,9 @@
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
 
+// https://github.com/intel/llvm/issues/15648
+// XFAIL: gpu-intel-dg2 && linux
+
 // Temporarily disabled until the failure is addressed.
 // UNSUPPORTED: (level_zero && windows)