[Keyboard] Enable RGB Matrix for Corne (qmk#12091)

keyboards/crkbd/rev1/common/config.h

@@ -0,0 +1,29 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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/>.
+*/
+
+#pragma once
+
+#define USE_SERIAL
+#define SOFT_SERIAL_PIN D2
+
+#ifdef RGB_MATRIX_ENABLE
+#    define RGB_MATRIX_SPLIT { 27, 27 }
+#    define SPLIT_TRANSPORT_MIRROR
+#endif
+
+#define DIODE_DIRECTION COL2ROW