drivers: add support for Aerotenna OcPoC-Zynq hardware

src/drivers/boards/ocpoc/board_config.h

src/drivers/drv_led.h

src/drivers/ocpoc_adc/CMakeLists.txt

src/drivers/ocpoc_adc/ocpoc_adc.cpp

src/drivers/ocpoc_mmap_pwm_out/CMakeLists.txt

src/drivers/ocpoc_mmap_pwm_out/ocpoc_mmap_pwm_out.cpp

src/drivers/ocpoc_sbus_rc_in/CMakeLists.txt

src/drivers/ocpoc_sbus_rc_in/ocpoc_sbus_rc_in.cpp