board: novena: convert to DM_I2C

Conversion to DM_I2C is mandatory, enable DM_I2C
to disable board removal warning. Convert EEPROM
and IT6251 access to use DM_I2C API.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
3 files changed