MPU9150: Add missing library to test example.
SPIDriver: Add CS capabilities to the driver.
AP_InertialSensor_MPU9250: Fix SPI CS.
AP_InertialSensor_MPU6000: Fix the CS.
AP_InertialSensor_LSM9DS0: Fix the CS.
config.h: adapt it to PXF and Erle's hardware.

The config.h file is modified
according to the sensors included at the
PixHawk Fire Cape and Erle Robot.
AP_Baro_MS5611_test: Add block for APM2-code