[NFC][SYCL][E2E] Add symlinks feature to avoid crash (#32142)

2740e4b added symlinks unconditional
for non Windows.

All the sycl-in-tree tests are failing due to check_build_features
failures.

Author: jsji

sycl/test-e2e/E2EExpr.py

@@ -39,6 +39,7 @@ class E2EExpr(BooleanExpression):
         "host=None",
         "target=None",
         "shell",
+        "symlinks",
         "non-root-user",
         "llvm-spirv",
         "llvm-link",