M5: enabled CoreS3 5V bus out

Author: twystd

m5-stack/Rev.0/TODO.md

@@ -6,7 +6,6 @@
 - [x] CoreS3
 - [x] Firmware
 - [x] README 
-   - [x] photos
 - [ ] Power
    - [ ] USB
    - [ ] M5

m5-stack/Rev.0/coreS3/main.py

@@ -43,7 +43,7 @@ def setup():
     IO1.value(True)
     IO2.value(True)
     screen()
-
+    Power.setExtOutput(True)
 
 def screen():
     Widgets.setRotation(1)