[Keyboard] Oddball keyboard and optical sensor update (#10450)

* Add oddballl v2

- add CPI options
- add scroll support
- add click-and-drag support
- PMW3360 implementation
- ADNS9800 improvements

* Set default make directory

* Update readme with PMW config

* Change bootloader

* Update unused pins on v2

* Remove diode switch

* Move bootloader selection to keyboard version level

* Change default keyboard folder to v1

* Move sensor selection to keymap

* Remove PK debounce

* Change to only send mouse report on change

* Change CPI function cpi type

* Remove EEPROM state check

* Update CPI to only change on key down

* Fix incorrect F8 in keymap

* Add v2.1 with more convenient controller pinout

* Add keyboard readmes

* Update keyboards/oddball/pmw/pmw3360_srom_0x04.h

Remove direct AVR reference

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

* Remove direct AVR reference

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

Co-authored-by: Alexander Tulloh <alex@riberry.io>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/oddball/v2_1/v2_1.c

@@ -0,0 +1,17 @@
+/* Copyright 2020 Alexander Tulloh
+ *
+ * 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/>.
+ */
+
+#include "v2_1.h"