[SYCL] Expand reduction_span XFAIL to all hip backend configs (intel/llvm-test-suite#1020)

Signed-off-by: Larsen, Steffen <steffen.larsen@intel.com>

Author: steffenlarsen

SYCL/Reduction/reduction_span.cpp

@@ -3,8 +3,8 @@
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 //
-// `Group algorithms are not supported on host device.` on Nvidia.
-// XFAIL: hip_nvidia
+// `Group algorithms are not supported on host device.` on HIP backend.
+// XFAIL: hip
 
 // This test performs basic checks of reductions initialized with a sycl::span