Method is_rpi

OpenHD/ohd_common/src/openhd_platform.cpp:301–303

}

bool OHDPlatform::is_rpi() const {
  return platform_type >= 10 && platform_type < 20;
}

bool OHDPlatform::is_rock() const {
  return platform_type >= 20 && platform_type < 30;