[Keyboard] Dawn60 Rev1 RGB matrix port (#11970)

* refactor

* layout update

* fix mods config

* lto enable

* add eeprom

* refactor

* final refactor

keyboards/xelus/dawn60/rev1_qmk/rules.mk

@@ -0,0 +1,50 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = atmel-dfu
+
+# Do not put the microcontroller into power saving mode
+# when we get USB suspend event. We want it to keep updating
+# backlight effects.
+OPT_DEFS += -DNO_SUSPEND_POWER_DOWN
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = yes        # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality on B7 by default
+MIDI_ENABLE = no            # MIDI support
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight. - We have custom RGB underglow
+
+RGB_MATRIX_ENABLE = yes     # Enable RGB matrix effects.
+RGB_MATRIX_DRIVER = custom  # Enable RGB matrix effects.
+
+COMMON_VPATH += $(DRIVER_PATH)/issi
+
+# project specific files
+SRC +=  drivers/issi/is31fl3731.c \
+        ws2812.c
+
+QUANTUM_LIB_SRC += i2c_master.c 
+
+LTO_ENABLE = yes