All Freescale Vybrid SoC include a Cortex-A5 core which supports
ARM's standard PMU (performance monitoring unit). Include the
monitoring unit into the Cortex-A5 base device tree vf500.dtsi.
Signed-off-by: NStefan Agner <stefan@agner.ch>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>