[Keyboard] Add ADM42 Keyboard (#17366)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/adm42/config.h

@@ -0,0 +1,39 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 "config_common.h"
+
+/* Microchip ADM42 sublicensing */
+#define VENDOR_ID				0x04D8
+#define PRODUCT_ID			0xE873
+
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Lorenzo Leonini
+#define PRODUCT         ADM42
+
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 12
+
+#define DIODE_DIRECTION ROW2COL
+
+#define TAP_CODE_DELAY 1
+#define DEBOUNCE 10
+
+#if defined(CONSOLE_ENABLE)
+	#define DEBUG_MATRIX_SCAN_RATE
+#endif