Fix a test failure

Signed-off-by: Arvind Sudarsanam <arvind.sudarsanam@intel.com>

Author: asudarsa

clang/test/Driver/link-device-code.test

@@ -6,7 +6,7 @@
 
 # RUN: not clang-sycl-linker %t.bar.bc %t.baz.bc -triple=spirv64 --dry-run -o a.spv --print-linked-module 2>&1 | FileCheck %s --check-prefix=CHECK-MULTIPLE-DEFS
 
-# RUN: clang-sycl-linker %t.foo.bc %t.bar.bc -device-libs=%t.libsycl.bc -library-path=/ -triple=spirv64 --dry-run -o a.spv --print-linked-module 2>&1 | FileCheck %s --check-prefix=CHECK-DEVICE-LIB
+# RUN: clang-sycl-linker %t.foo.bc %t.bar.bc -device-libs=%t.libsycl.bc -library-path= -triple=spirv64 --dry-run -o a.spv --print-linked-module 2>&1 | FileCheck %s --check-prefix=CHECK-DEVICE-LIB
 
 ; CHECK-SIMPLE: define {{.*}}foo_func1{{.*}}
 ; CHECK-SIMPLE: define {{.*}}foo_func2{{.*}}

clang/tools/clang-sycl-linker/ClangSYCLLinker.cpp

@@ -223,8 +223,6 @@ Expected<SmallVector<std::string>> getSYCLDeviceLibs(const ArgList &Args) {
   StringRef LibraryPath;
   if (Arg *A = Args.getLastArg(OPT_library_path_EQ))
     LibraryPath = A->getValue();
-  if (LibraryPath.empty())
-    return DeviceLibFiles;
   if (Arg *A = Args.getLastArg(OPT_device_libs_EQ)) {
     if (A->getValues().size() == 0)
       return createStringError(