AP_HAL_SITL → AP_HAL_F4Light Relation

File in libraries/AP_HAL_SITL	Includes file in libraries/AP_HAL_F4Light
sitl_gps.cpp	hardware / hal / sys / ioctl.h
UART_utils.cpp	hardware / hal / sys / ioctl.h
UARTDriver.cpp	hardware / hal / sys / ioctl.h