This adds support for the LIS331DL sensor version. This is
a simple 8bit-only accelerometer.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NDenis Ciocca <denis.ciocca@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>