Select CONFIG_PERF_EVENTS so that oprofile can be used.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Acked-by: NDirk Behme <dirk.behme@gmail.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>