dt-bindings: iio: accel: Add bma150 family compatibles to bma180

The bma023, bma150, and smb380 are in the same family as the bma180
and support is being added to the bma180 IIO driver for them.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>