[Keyboard] Move Keebio boards to own folder (#5109)

* Move boards into keebio folder

* Rename keymap

* Update BDN9 files

* Update BFO-9000 files

* Update Chocopad files

* Update Dilly files

* Update Fourier files, collapse rev1 into main

* Update Iris files

* Update Laplace files

* Update Levinson files, fix buswerks keymap

* Update Nyquist files

* Fix keymap issues

* Update Quefrency files

* Update Rorschach files

* Update TF68 files

* Update Viterbi files

* Update Viterbi files

* Update Wavelet files

* Reformat default layout

* Fix up default folder for Iris

* Remove already defined aliases

keyboards/keebio/bfo9000/split_util.h

@@ -0,0 +1,20 @@
+#ifndef SPLIT_KEYBOARD_UTIL_H
+#define SPLIT_KEYBOARD_UTIL_H
+
+#include <stdbool.h>
+#include "eeconfig.h"
+
+#define SLAVE_I2C_ADDRESS           0x32
+
+extern volatile bool isLeftHand;
+
+// slave version of matix scan, defined in matrix.c
+void matrix_slave_scan(void);
+
+void split_keyboard_setup(void);
+bool has_usb(void);
+void keyboard_slave_loop(void);
+
+void matrix_master_OLED_init (void);
+
+#endif