arm64: dts: imx8mp: Reorder clock and reg properties

Align the clock and reg properties order with example bindings
and the rest of the imx8mp.dtsi . No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>