arm64: dts: imx8mn-evk: enable usb1 and typec support

USB1 port has typec connector with power delivery support:
- Dual data role: host and device.
- Dual power role: source and sink, prefer power sink.

Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>