Update lcd.c

fixed lcd_display() for ssd1306

lcd.c

@@ -549,6 +549,7 @@ void lcd_fillCircle(uint8_t center_x, uint8_t center_y, uint8_t radius, uint8_t
 }
 void lcd_display() {
 #if defined SSD1306
+    lcd_gotoxy(0,0)
     lcd_data(displayBuffer, sizeof(displayBuffer));
 #elif defined SH1106
     for (uint8_t i=0; i < DISPLAY_HEIGHT/8; i++) {