Add python3-edgetpuvision to package list

Change-Id: Ib74636eb12e17d7b7252e9757f88dbdf97a50645
diff --git a/rootfs.mk b/rootfs.mk
index dfe3fb4..ed981f7 100644
--- a/rootfs.mk
+++ b/rootfs.mk
@@ -18,6 +18,7 @@
 	imx-board-wlan \
 	linux-image-4.9.51-aiy \
 	python3-edgetpu \
+	python3-edgetpuvision \
 	uboot-imx
 
 BSP_GUI_PACKAGES := \