Update Choco60 firmware to support new PCB (#11218)

* Update vendor and product info

* Add rev2 for Choco60

* Add keymap for VIA

* Add readme.md for rev1 and rev2

* Use list instead of new line

* Remove DESCRIPTION

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

* Update rev1/readme.md to specify rev1 directly.

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

* Remove some definitions

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

* Remove comments

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

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

keyboards/choco60/rev1/config.h

@@ -0,0 +1,41 @@
+/*
+Copyright 2019 Naoto Takai
+
+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
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+*/
+#define MATRIX_ROW_PINS { C6, D7, E6, B4, B5 }
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3, B2, B6, D1 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D3 // or D1, D2, D3, E6
+#define SPLIT_HAND_PIN D0