Switch to the new tflite-micro repo.

Change-Id: I19b806e94207580ab548e8cd4ddada32debf0639
diff --git a/.gitignore b/.gitignore
index 78bff7d..952fe45 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,5 @@
 /rtos/mbed-os
 /rtos/zephyr
 /tensorflow
+/tflite_micro
 /cmsis-view