Fix call parameter of suspend_power_down()

protocol/bluefruit/main.c

@@ -104,7 +104,7 @@ int main(void)
         dprintf("Starting main loop");
         while (1) {
             while (suspend) {
-                suspend_power_down(WDTO_120MS);
+                suspend_power_down();
                 if (remote_wakeup && suspend_wakeup_condition()) {
                     usb_remote_wakeup();
                 }

protocol/pjrc/main.c

@@ -61,7 +61,7 @@ int main(void)
 #endif
     while (1) {
         while (suspend) {
-            suspend_power_down(WDTO_120MS);
+            suspend_power_down();
             if (remote_wakeup && suspend_wakeup_condition()) {
                 usb_remote_wakeup();
             }