Move aos/controls to frc971/control_loops

Also put what was aos/controls/control_loops.fbs in y2012/control_loops
because that's the only user.

Change-Id: I8f402b0708103077e135a41e55ef5e4f23681d87
Signed-off-by: James Kuszmaul <jabukuszmaul@gmail.com>
diff --git a/y2012/control_loops/BUILD b/y2012/control_loops/BUILD
index 1cf6e97..ef4e03f 100644
--- a/y2012/control_loops/BUILD
+++ b/y2012/control_loops/BUILD
@@ -1,3 +1,5 @@
+load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_cc_library")
+
 py_library(
     name = "python_init",
     srcs = ["__init__.py"],
@@ -5,3 +7,12 @@
     visibility = ["//visibility:public"],
     deps = ["//y2012:python_init"],
 )
+
+flatbuffer_cc_library(
+    name = "control_loop_fbs",
+    srcs = [
+        "control_loops.fbs",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//y2012:__subpackages__"],
+)