ARM: dts: imx7d: move ARM platform peripherals inside soc node

Since we have a SoC level node we should make use of it and have
all nodes which are within the SoC, inside that node. This also
saves an extra interrupt-parent properties. While at it, also
order the Coresight nodes according to register addresses.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>