Add flexcan support for i.MX6UL board. Change the place of CAN node delete
due to i.MX6ULZ include i.MX6UL dts but not support flexcan.
Signed-off-by: NDong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: NJoakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>