[Core] Refactor OLED to allow easy addition of other types (#13454)

* add docs

* core changes

* update keyboards to new OLED

* updated users to new OLED

* update layouts to new OLED

* fixup docs

* drashna's suggestion

* fix up docs

* new keyboards with oled

* core split changes

* remaining keyboard files

* Fix The Helix keyboards oled options

* reflect develop

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: mtei <2170248+mtei@users.noreply.github.com>

keyboards/uzu42/keymaps/default/keymap.c

@@ -105,8 +105,8 @@ void matrix_init_user(void) {
     #endif
 }
 
-//SSD1306 OLED update loop, make sure to enable OLED_DRIVER_ENABLE=yes in rules.mk
-#ifdef OLED_DRIVER_ENABLE
+//SSD1306 OLED update loop, make sure to enable OLED_ENABLE=yes in rules.mk
+#ifdef OLED_ENABLE
 
 #define L_BASE 0
 #define L_LOWER (1 << 1)
@@ -210,11 +210,11 @@ void oled_task_user(void) {
     oled_write(read_logo(), false);
   }
 }
-#endif // OLED_DRIVER_ENABLE
+#endif // OLED_ENABLE
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   if (record->event.pressed) {
-#ifdef OLED_DRIVER_ENABLE
+#ifdef OLED_ENABLE
     set_keylog(keycode, record);
 #endif
     // set_timelog();

keyboards/uzu42/rules.mk

@@ -25,10 +25,10 @@ BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
-RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight. 
+RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight.
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
-OLED_DRIVER_ENABLE = no      # OLED display
+OLED_ENABLE = no      # OLED display
 SPLIT_KEYBOARD = yes
 
 DEFAULT_FOLDER = uzu42/rev1