[SYCL] Disable No RDC lit tests on Windows (#7739)

They fail in post commit

Signed-off-by: Sarnie, Nick <[email protected]>

Author: sarnex

clang/test/Driver/sycl-no-rdc-fat-archive.cpp

@@ -1,4 +1,6 @@
 /// test behaviors of passing a fat static lib with -fno-sycl-rdc
+// UNSUPPORTED: system-windows
+
 // Build a fat static lib that will be used for all tests
 // RUN: echo "void foo(void) {}" > %t1.cpp
 // RUN: %clangxx -target x86_64-unknown-linux-gnu -fsycl %t1.cpp -c -o %t1_bundle.o

clang/test/Driver/sycl-no-rdc.cpp

@@ -1,4 +1,6 @@
 /// Tests for -fno-sycl-rdc
+// UNSUPPORTED: system-windows
+
 // RUN: touch %t1.cpp
 // RUN: touch %t2.cpp
 // RUN: %clang -### -fsycl -fno-sycl-rdc --sysroot=%S/Inputs/SYCL %t1.cpp %t2.cpp 2>&1 -ccc-print-phases | FileCheck %s