Convert some PS2AVRGB boards to I2C WS2812 driver (#7241)

* Convert some PS2AVRGB boards to I2C WS2812 driver

* Fix Travis failure for bface

keyboards/singa/rules.mk

@@ -1,18 +1,3 @@
-# Copyright 2017 Luiz Ribeiro <[email protected]>
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
 # MCU name
 MCU = atmega32a
 
@@ -34,8 +19,6 @@ CONSOLE_ENABLE = yes
 COMMAND_ENABLE = yes
 BACKLIGHT_ENABLE = yes
 RGBLIGHT_ENABLE = yes
-RGBLIGHT_CUSTOM_DRIVER = yes
+WS2812_DRIVER = i2c
 
 OPT_DEFS = -DDEBUG_LEVEL=0
-
-SRC = i2c_master.c