Use the PX4IO_FW_SEARCH_PATHS to set path for PX4IO FW update

src/drivers/px4io/px4io.cpp

@@ -3706,29 +3706,15 @@ px4io_main(int argc, char *argv[])
 		}
 
 		PX4IO_Uploader *up;
-		const char *fn[4];
 
-		/* work out what we're uploading... */
+		/* Assume we are using default paths */
+
+		const char *fn[4] = PX4IO_FW_SEARCH_PATHS;
+
+		/* Override defaults if a path is passed on command line */
 		if (argc > 2) {
 			fn[0] = argv[2];
 			fn[1] = nullptr;
-
-		} else {
-#if defined(CONFIG_ARCH_BOARD_PX4FMU_V1)
-			fn[0] = "/etc/extras/px4io-v1.bin";
-			fn[1] =	"/fs/microsd/px4io1.bin";
-			fn[2] =	"/fs/microsd/px4io.bin";
-			fn[3] =	nullptr;
-#elif defined(CONFIG_ARCH_BOARD_PX4FMU_V2) || \
-	  defined(CONFIG_ARCH_BOARD_AUAV_X21) || \
-	  defined(CONFIG_ARCH_BOARD_PX4FMU_V4PRO)
-			fn[0] = "/etc/extras/px4io-v2.bin";
-			fn[1] =	"/fs/microsd/px4io2.bin";
-			fn[2] =	"/fs/microsd/px4io.bin";
-			fn[3] =	nullptr;
-#else
-#error "unknown board"
-#endif
 		}
 
 		up = new PX4IO_Uploader;