Fix flash size for Adafruit QT Py ESP32-S3 without PSRAM

Resolves platformio#886

Author: valeros

boards/adafruit_qtpy_esp32s3_nopsram.json

@@ -50,9 +50,9 @@
         ]
       ]
     },
-    "flash_size": "4MB",
+    "flash_size": "8MB",
     "maximum_ram_size": 327680,
-    "maximum_size": 4194304,
+    "maximum_size": 8388608,
     "use_1200bps_touch": true,
     "wait_for_upload_port": true,
     "require_upload_port": true,