Drive code works on Tantrum.

Need to write the spring code.  Drive now supports doubles...  What a
pain.

Change-Id: Id589acdc443dcd81242a21e3b0c26f81d6974dc8
diff --git a/aos/input/drivetrain_input.cc b/aos/input/drivetrain_input.cc
index 506e4b6..852b94e 100644
--- a/aos/input/drivetrain_input.cc
+++ b/aos/input/drivetrain_input.cc
@@ -246,7 +246,8 @@
 }
 ::std::unique_ptr<DrivetrainInputReader> DrivetrainInputReader::Make(
     InputType type,
-    const ::frc971::control_loops::drivetrain::DrivetrainConfig &dt_config) {
+    const ::frc971::control_loops::drivetrain::DrivetrainConfig<double>
+        &dt_config) {
   std::unique_ptr<DrivetrainInputReader> drivetrain_input_reader;
 
   using InputType = DrivetrainInputReader::InputType;