Move board revision handling code to a common location
for further reuse.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
Compulab boards use the same eeprom code, so move the eeprom related
code to live under board/compulab/common directory.
Also make several adjustments to eeprom functions namespace, so it will
be generic for compulab boards.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Tested-by: Nikita Kiryanov <nikita@compulab.co.il>