prevent ble powerdown while phone is connected

src/PowerFSM.h

@@ -12,6 +12,7 @@
 #define EVENT_BOOT 6
 #define EVENT_BLUETOOTH_PAIR 7
 #define EVENT_NODEDB_UPDATED 8 // NodeDB has a big enough change that we think you should turn on the screen
+#define EVENT_CONTACT_FROM_PHONE 9 // the phone just talked to us over bluetooth
 
 extern Fsm powerFSM;