readding cf firmware

...are/crazyflie-firmware-2021.06/src/deck/api/deck_analog.c

...tware/crazyflie-firmware-2021.06/src/drivers/src/ak8963.c

...oftware/crazyflie-firmware-2021.06/src/drivers/src/cppm.c

...tware/crazyflie-firmware-2021.06/src/drivers/src/eeprom.c

...oftware/crazyflie-firmware-2021.06/src/drivers/src/exti.c

...are/crazyflie-firmware-2021.06/src/drivers/src/fatfs_sd.c

...are/crazyflie-firmware-2021.06/src/drivers/src/hmc5883l.c

...ware/crazyflie-firmware-2021.06/src/drivers/src/i2c_drv.c

...tware/crazyflie-firmware-2021.06/src/drivers/src/i2cdev.c

.../crazyflie-firmware-2021.06/src/drivers/src/i2croutines.c

...software/crazyflie-firmware-2021.06/src/drivers/src/led.c

...razyflie-firmware-2021.06/src/drivers/src/lh_bootloader.c

...e/crazyflie-firmware-2021.06/src/drivers/src/lh_flasher.c

...tware/crazyflie-firmware-2021.06/src/drivers/src/lps25h.c

...are/crazyflie-firmware-2021.06/src/drivers/src/maxsonar.c

...tware/crazyflie-firmware-2021.06/src/drivers/src/motors.c

...ware/crazyflie-firmware-2021.06/src/drivers/src/mpu6050.c

...ware/crazyflie-firmware-2021.06/src/drivers/src/mpu6500.c

...tware/crazyflie-firmware-2021.06/src/drivers/src/ms5611.c

...are/crazyflie-firmware-2021.06/src/drivers/src/nrf24l01.c