uORBMain: disable message logging to the ulog on Snapdragon

src/modules/uORB/uORBMain.cpp

@@ -79,7 +79,12 @@ uorb_main(int argc, char *argv[])
 			return -errno;
 		}
 
+#if !defined(__PX4_QURT) && !defined(__PX4_POSIX_EAGLE)
+		/* FIXME: this fails on Snapdragon (see https://github.com/PX4/Firmware/issues/5406),
+		 * so we disable logging messages to the ulog for now. This needs further investigations.
+		 */
 		px4_log_initialize();
+#endif
 
 		return OK;
 	}