display: split DisplayBuffer and Display (#5001)

esphome/components/qr_code/qr_code.cpp

@@ -1,5 +1,5 @@
 #include "qr_code.h"
-#include "esphome/components/display/display_buffer.h"
+#include "esphome/components/display/display.h"
 #include "esphome/core/color.h"
 #include "esphome/core/log.h"
 
@@ -33,7 +33,7 @@ void QrCode::generate_qr_code() {
   }
 }
 
-void QrCode::draw(display::DisplayBuffer *buff, uint16_t x_offset, uint16_t y_offset, Color color, int scale) {
+void QrCode::draw(display::Display *buff, uint16_t x_offset, uint16_t y_offset, Color color, int scale) {
   ESP_LOGV(TAG, "Drawing QR code at (%d, %d)", x_offset, y_offset);
 
   if (this->needs_update_) {