iio:pressure: Add support for LPS25H pressure sensor

This patch adds support for the new barometer sensor: LPS25H.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --cc drivers/iio/pressure/Kconfig
Simple merge

diff --cc drivers/iio/pressure/st_pressure.h
Simple merge

diff --cc drivers/iio/pressure/st_pressure_core.c
Simple merge

diff --cc drivers/iio/pressure/st_pressure_i2c.c
Simple merge

diff --cc drivers/iio/pressure/st_pressure_spi.c
Simple merge