[Keyboard] Add Durgod Hades, Galaxy and Venus Keyboards (#12893)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Don Kjer <don.kjer@gmail.com>

keyboards/durgod/dgk6x/mcuconf.h

@@ -0,0 +1,28 @@
+/* Copyright 2021 Jessica Sullivan and Don Kjer
+ *
+ * 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
+
+#include_next <mcuconf.h>
+
+#ifdef RGB_MATRIX_ENABLE
+#undef STM32_I2C_USE_DMA
+#define STM32_I2C_USE_DMA FALSE
+
+#undef STM32_I2C_USE_I2C1
+#define STM32_I2C_USE_I2C1 TRUE
+#endif /* RGB_MATRIX_ENABLE */