ARM: dts: imx51-zii-rdu1: Remove EEPROM node

The EEPROM under I2C2 was put by mistake in the dts.

Remove it as it is not really present on the real hardware.

Fixes: ceef0396

 ("ARM: dts: imx: add ZII RDU1 board")
Reported-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>