ARM: dts: ux500: samsung-golden: Add IMU (accelerometer + gyroscope)

samsung-golden has a InvenSense MPU-6051M IMU that provides an
accelerometer and gyroscope. It seems to be functionally compatible
with MPU-6050 so we can easily enable it by adding the necessary
device tree nodes.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20191219202052.19039-6-stephan@gerhold.net


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>