[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/sofle/keymaps/rgb_default/keymap.c

@@ -393,7 +393,7 @@ void keyboard_post_init_user(void) {
 }
 #endif
 
-#ifdef OLED_DRIVER_ENABLE
+#ifdef OLED_ENABLE
 
 static void render_logo(void) {
     static const char PROGMEM qmk_logo[] = {

keyboards/sofle/keymaps/rgb_default/rules.mk

@@ -4,4 +4,5 @@ CONSOLE_ENABLE = yes
 RGBLIGHT_ENABLE = yes
 ENCODER_ENABLE = yes
 LTO_ENABLE = yes
-OLED_DRIVER_ENABLE = yes
+OLED_ENABLE = yes
+OLED_DRIVER = SSD1306