uboot-phytec

xpedite1k: Store environment in flash

Previously an I2C EEPROM was used.  The EEPROM had size, reliability,
and access issues which are resolved by storing the environment in
flash.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Stefan Roese <sr@denx.de>