ARM: dts: imx6q-sabrelite: Place 'status' as the last node

In order to follow the standard approach used on other imx dts files, place the
'status' node as the last one.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>