uboot-phytec

DM: I2C: Switch display5 board to use DM_I2C

After this commit the display5 device would use I2C driver supporting
driver model (DM_I2C).

The 'i2c' and 'eeprom' commands now use DM I2C drivers and initialize
on-bus devices according to device tree description.

Signed-off-by: Lukasz Majewski <lukma@denx.de>