[IMX8MM][MYON2] Add fuse_cfg for revision management
- Added fuse_cfg (revision and RAM size are configured based on fuses)
- Automatically setting the
board_rev
variable, which chooses the correct revision overlay. - Built-in Ethernet disabled by default. Needs to be enabled (if needed for customer projects) by uncommenting the USE_ETHERNET define
Fuses:
- Boot code: 2 (eMMC)
- Module code: 2 (Myon)
- RAM code: 2 (2GB)
- Revision code: 4 (V2R1)
- Temp code: 0 (Undefined)
- IO Voltage code: 0 (Undefined)
Edited by Oleksii Kutuzov