Enable deploying code for the raspberry pis

Also, sets up a systemd service to start all the code.

Change-Id: If993426b36d0910497579ad86e330699f8a7d2e7
diff --git a/y2020/control_loops/drivetrain/drivetrain_main.cc b/y2020/control_loops/drivetrain/drivetrain_main.cc
index 7159118..7804814 100644
--- a/y2020/control_loops/drivetrain/drivetrain_main.cc
+++ b/y2020/control_loops/drivetrain/drivetrain_main.cc
@@ -6,7 +6,8 @@
 
 using ::frc971::control_loops::drivetrain::DrivetrainLoop;
 
-int main() {
+int main(int argc, char *argv[]) {
+  ::aos::InitGoogle(&argc, &argv);
   ::aos::InitNRT();
 
   aos::FlatbufferDetachedBuffer<aos::Configuration> config =