T8220: arm64: dts: imx8mn-bsh-smm2-pro: Update board device tree
Related to bos0054 task AT8220.
This commit updates the device tree for iMX8MN BSH SMM2 PRO board:
- Enable USB-OTG (peripheral mode).
- Properly sets ethernet reset/enable pins.
- Fixes bluetooth maximum speed.
Edited by Ariel D'Alessandro