uboot-phytec

compulab: add support for layout aware eeprom commands

Add layout definitions and implement functions for field printing/updating,
layout detection, layout assignment, and layout parsing.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>