[Keymap] Drashna's Cleanup and RGB Divide (#8506)

* Enable External EEPROM on Planck Rev6

* Update KC_MAKE macro to use qmk cli util

* Disable additional gradients for rgb matrix

* Update analog code for newer methods

* Update ergodox layout

* Disable Grave Escape

* Cleanup OLED code a bit

* Remove old unicode code

* Seperate RGB Matrix code from RGB Light code in userspace

* Massive overhaul an generalization of personal OLED code

Now lets hope I NEVER get a keyboard using a 128x32 in a normal orientation.

* Super tiny cleanup

* Enable Diablo layer on kyria

* clang format pass

* Additional OLED cleanup

users/drashna/rgb_matrix_stuff.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "quantum.h"
+
+bool process_record_user_rgb_matrix(uint16_t keycode, keyrecord_t *record);
+void keyboard_post_init_rgb_matrix(void);
+void matrix_scan_rgb_matrix(void);
+
+void rgb_matrix_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
+void rgb_matrix_layer_helper(uint8_t hue, uint8_t sat, uint8_t val, uint8_t mode, uint8_t speed, uint8_t led_type);