ST LSM9DS1 9DOF IMU driver

- this is a replacement for df_lsm9ds1_wrapper on the Emlid Navio2 once DriverFramework is removed

posix-configs/rpi/px4_fw.config

@@ -20,6 +20,8 @@ param set BAT_CNT_V_CURR 0.001
 dataman start
 
 df_lsm9ds1_wrapper start -R 4
+#lsm9ds1 start -R 4
+#lsm9ds1_mag start -R 4
 #df_mpu9250_wrapper start -R 10
 ms5611 start
 navio_rgbled start