esp_flash: decrease performance threshold of ESP32-S2

The data is based on 95% of minimal performance value from CI failure in the past 30 days.
2020-09-09 16:37:21 +08:00 · 2020-09-09 16:37:21 +08:00 · baab55e230
commit baab55e230
--- a/components/idf_test/include/esp32s2/idf_performance_target.h
+++ b/components/idf_test/include/esp32s2/idf_performance_target.h
@ -26,5 +26,5 @@
 #endif

 #ifndef IDF_PERFORMANCE_MIN_FLASH_SPEED_BYTE_PER_SEC_EXT_ERASE
-#define IDF_PERFORMANCE_MIN_FLASH_SPEED_BYTE_PER_SEC_EXT_ERASE                  52200
+#define IDF_PERFORMANCE_MIN_FLASH_SPEED_BYTE_PER_SEC_EXT_ERASE                  40300
 #endif