Use content of EEPROM to detect the actual RAM size and adjust
DDR timings, size and banks accordingly.
Also enable the SoM detection per default in the defconfigs.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Tested-by: John Ma <jma@phytec.com>
Add all functions to read each SOM option from the EEPROM
image and detect whether it's the correct product for this
image.
Signed-off-by: Daniel Schultz <d.schultz@phytec.de>