Update submodule nuttx to latest Wed Jul 15 12:39:46 UTC 2020
Update submodule nuttx to latest Wed Jul 15 12:39:46 UTC 2020

    - nuttx in PX4/Firmware (fbc4fa04c372960894766a69c8ea35dfafcb0c4d): https://github.com/PX4/NuttX/commit/f5925e194e82b0658b0176a9657820a396674642
    - nuttx current upstream: https://github.com/PX4/NuttX/commit/61742342ec979867dbe4b85c89a6821656090ee2
    - Changes: https://github.com/PX4/NuttX/compare/f5925e194e82b0658b0176a9657820a396674642...61742342ec979867dbe4b85c89a6821656090ee2

    61742342ec 2020-07-09 Beat Küng - [BACKPORT] gpio: extend gpio_pintype_e for pulldown/up and opendrain

acfloria/Firmware,acfloria/Firmware,PX4/Firmware,krbeverx/Firmware,acfloria/Firmware,PX4/Firmware,krbeverx/Firmware,acfloria/Firmware,acfloria/Firmware,PX4/Firmware,krbeverx/Firmware,acfloria/Firmware,PX4/Firmware,krbeverx/Firmware,krbeverx/Firmware,acfloria/Firmware,PX4/Firmware,krbeverx/Firmware,PX4/Firmware,krbeverx/Firmware,PX4/Firmware