use -Os on Feather ESP32-S3 TFT to shrink build

dhalbert · dhalbert · commit e8776440120c · 2022-07-19T17:45:29.000-04:00
diff --git a/ports/espressif/boards/adafruit_feather_esp32s3_tft/mpconfigboard.mk b/ports/espressif/boards/adafruit_feather_esp32s3_tft/mpconfigboard.mk
@@ -17,4 +17,4 @@ CIRCUITPY_ESP_FLASH_MODE = dio
 CIRCUITPY_ESP_FLASH_FREQ = 40m
 CIRCUITPY_ESP_FLASH_SIZE = 4MB
 
-CIRCUITPY_PS2IO = 0
+OPTIMIZATION_FLAGS = -Os
