ARM: imx: add missing item to the list of clock event modes

This prevents an out-of-bounds access to the clock_event_mode_label when
debugging.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 file changed