[EEPROM] Add common code for Seco Eeprom Manager
Implementation of common code as taken from RK, refers to
edgehog/bsp/rockchip/u-boot-seco-rk@9efe1b54
and its previous commits
Implementation of common code as taken from RK, refers to
edgehog/bsp/rockchip/u-boot-seco-rk@9efe1b54
and its previous commits