LSM9DS1: final release before testing.

Added some register configuration missed in the previous
version.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Add LSM9DS1 into board file.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: add lot of stuff to enable sensor in the firmware

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Change some PIOS configuration for discoveryf4 board.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Add Accelerometer and Gyroscope ranges in the uavobject configuration.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
GCS: add gyroscope get max range function.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>