Eliminate use of apps/system/usbmonitor. Use drivers/usbmonitor instead.

configs/same70-xplained/src/sam_bringup.c

@@ -47,7 +47,7 @@
 #include <debug.h>
 
 #ifdef CONFIG_USBMONITOR
-#  include <apps/usbmonitor.h>
+#  include <nuttx/usb/usbmonitor.h>
 #endif
 
 #include <nuttx/fs/fs.h>
@@ -311,7 +311,7 @@ int sam_bringup(void)
 #ifdef HAVE_USBMONITOR
   /* Start the USB Monitor */
 
-  ret = usbmonitor_start(0, NULL);
+  ret = usbmonitor_start();
   if (ret != OK)
     {
       _err("ERROR: Failed to start the USB monitor: %d\n", ret);