Add constants for control panel

Change-Id: I9684d65564005f2624caa8e76d6227b1084b847f
diff --git a/y2020/BUILD b/y2020/BUILD
index 215c760..f0f87d2 100644
--- a/y2020/BUILD
+++ b/y2020/BUILD
@@ -36,6 +36,7 @@
         "//y2020/control_loops/superstructure/hood:hood_plants",
         "//y2020/control_loops/superstructure/intake:intake_plants",
         "//y2020/control_loops/superstructure/turret:turret_plants",
+	"//y2020/control_loops/superstructure/control_panel:control_panel_plants",
         "@com_google_absl//absl/base",
     ],
 )