Disable BoomBlock qml compilation benchmark when building without OpenGL

The BoomBlock benchmark imports the Particles module which requires
OpenGL, so it will be skipped for -no-opengl builds.

Change-Id: I1754461f0920e85a51c5b1d5b3f5c8b2c5d26e18
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

tests/benchmarks/qml/compilation/tst_compilation.cpp

@@ -75,7 +75,9 @@ void tst_compilation::boomblock()
         QQmlComponent c(&engine);
         c.setData(data, QUrl());
     }
-
+#ifdef QT_NO_OPENGL
+    QSKIP("boomblock imports Particles which requires OpenGL Support");
+#endif
     QBENCHMARK {
         QQmlComponent c(&engine);
         c.setData(data, QUrl());