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