Mostly-finished button board

Just needs to be reviewed before shipping.

Change-Id: I8c0c1c400b7879090db2008dde65ceb0c2c9de0b
diff --git a/motors/hid_schematic/gafrc b/motors/hid_schematic/gafrc
new file mode 100644
index 0000000..c1bfff0
--- /dev/null
+++ b/motors/hid_schematic/gafrc
@@ -0,0 +1,2 @@
+(component-library "../symbols" "Custom Symbols")
+(source-library "..")