ARM: i.MX6q: fix the wrong parent of can_root clock

commit 9b3d423707c3b1f6633be1be7e959623e10c596b upstream.

instead of pll3_usb_otg the parent of can_root clock
should be pll3_60m.

Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>