logger: write vendor version if existent

src/modules/logger/logger.cpp

@@ -1652,6 +1652,14 @@ void Logger::write_version()
 {
 	write_info("ver_sw", px4_firmware_version_string());
 	write_info("ver_sw_release", px4_firmware_version());
+	// FIXME: px4_firmware_vendor_version() needs be converted to return the same format as px4_firmware_version().
+	// This now just assumes we're on a release
+	uint32_t vendor_version = px4_firmware_vendor_version();
+
+	if (vendor_version > 0) {
+		write_info("ver_vendor_sw_release", (vendor_version << 8) | 0xff);
+	}
+
 	write_info("ver_hw", px4_board_name());
 	write_info("sys_name", "PX4");
 	write_info("sys_os_name", px4_os_name());