[Keyboard] Add keyboard firmware treadstone32lite (#8720)

* Keyboard: add treeadstone48

* rename layout defines

* Use of pragma once

* move common include code

* fixed info.json

* change keymap layout from kc to normal

* fix alpha revision keymap

* fixed info.json

* remove USE_Link_Time_Optimization

* Add keyboard firmware of treadstone32lite

* fixed by the review

* I used to set this to a per-keymap setting, so I'll undo it.

keyboards/treadstone32/lite/rules.mk

@@ -0,0 +1,9 @@
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = caterina