arm64: dts: imx8mq-evk: Add fsl,magic-packet property

Add the fsl,magic-packet property in the fec node.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>