Add python3-edgetpuvision and edgetpudemo packages

Tested:
flash and run edgetpu_demo --device

Change-Id: Ie89a6cdd0c1a64c2517652f09e53e3c555358a68
diff --git a/debian/control b/debian/control
index c91ebba..b433ebb 100644
--- a/debian/control
+++ b/debian/control
@@ -18,6 +18,8 @@
          lk-bootloader,
          mtk-board-audio,
          python3-edgetpu,
+	 python3-edgetpuvision,
+	 edgetpudemo,
          trustzone,
          usbutils,
          device-tree-compiler,