Tools: rename a file with a space in it

spaces in filenames play havoc with unix tools
HAL_Linux: fixed BusTest build
Tools: new dts file for SPI on PXF cape
AP_HAL: added LSM9DSO_G SPI device
HAL_Linux: setup for all 6 SPI devices for PXF cape
AP_InertialSensor: use LSM9DSO_AM device
Tools: fixed DTS Makefile
Tools: added dtbo for PXF cape
Tools: remove unused Linux device tree files
AP_Param: added a method for example programs to set parameters in objects
AP_RangeFinder: added an example program
AP_RangeFinder: removed old test code
Copter: bug fix for throttle failsafe

Missing bracket could cause throttle failsafe to be triggered even when
disabled or motors disarmed
Compass: set_motor_compensation takes instance as first parameter

Also get_motor_compensation uses primary compass
Compass: get_primary method made public
Compass_VRBrain: get_primary made public
Compass_PX4: get_primary made public
Copter: compass mot configures all compasses
Copter: CLI report_compass prints results for all compasses
Copter: add ekf check of compass

Checks the EKF's compass variance or the inertial navigations x and y
acceleration corrections