dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example

Add EyeQ5 bindings to the existing Nomadik I2C dt-bindings. Add the
EyeQ5-specific property behind a conditional. Add an example for this
compatible.

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>