[SYCL][E2E] Fix lit to use arch selection and l0 v2 adapter (#20839)

The fix allows to use of _v1 and _v2 to select the l0 adapter and the
use of arch to select the GPU, eg.:
`llvm-lit --param "sycl_devices=level_zero_v2:arch-intel_gpu_mtl_u"`
Necessary to run tests on integrated GPU on system with another GPU

---------

Signed-off-by: Mateusz P. Nowak <mateusz.p.nowak@intel.com>

Author: mateuszpn

sycl/test-e2e/format.py

@@ -353,6 +353,7 @@ def get_extra_env(sycl_devices):
                     "linux",
                     "windows",
                     "preview-breaking-changes-supported",
+                    "gpu",
                 ]:
                     if cond_features in test.config.available_features:
                         conditions[cond_features] = True

sycl/test-e2e/lit.cfg.py

@@ -917,12 +917,14 @@ def get_sycl_ls_verbose(sycl_device, env):
 
     env = copy.copy(llvm_config.config.environment)
 
+    backend_for_selector = backend.replace("_v2", "").replace("_v1", "")
+
     # Find all available devices under the backend
-    env["ONEAPI_DEVICE_SELECTOR"] = backend + ":*"
+    env["ONEAPI_DEVICE_SELECTOR"] = backend_for_selector + ":*"
 
     detected_architectures = []
 
-    platform_devices = remove_level_zero_suffix(backend + ":*")
+    platform_devices = backend_for_selector + ":*"
 
     for line in get_sycl_ls_verbose(platform_devices, env).stdout.splitlines():
         if re.match(r" *Architecture:", line):
@@ -1114,6 +1116,13 @@ def get_sycl_ls_verbose(sycl_device, env):
     features.update(device_family)
 
     be, dev = sycl_device.split(":")
+    if dev.isdigit():
+        backend_devices = available_devices.get(be, "gpu")
+        if isinstance(backend_devices, tuple):
+            # arch-selection is typically used to select gpu device
+            dev = "gpu"
+        else:
+            dev = backend_devices
     features.add(dev.replace("fpga", "accelerator"))
     if "level_zero_v2" in full_name:
         features.add("level_zero_v2_adapter")