ARM: dts: lpc4350-hitex-eval: add i2c0 and devices

Add the I2C0 bus and the some of the I2C devices on the Hitex
LPC4350 eval board.

Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar>
Signed-off-by: Joachim Eastwood <manabian@gmail.com>