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Examining the configuration of PSRAM/Flash timing tuning.

Signed-off-by: Marek Matej <marek.matej@espressif.com>
Under certain conditions (FLASH_80M=y && OCT_PSRAM), the application
crash.
To reproduce:
west build -b esp32s3_devkitc/esp32s3/procpu samples/subsys/fs/littlefs/ -p \
-DCONFIG_BOOTLOADER_MCUBOOT=y \
-DCONFIG_ESP_SPIRAM=y -DCONFIG_SPIRAM_MODE_OCT=y \
-DCONFIG_FLASH_LOG_LEVEL_DBG=y \
-DCONFIG_SPIRAM_SPEED_80M=y \
-S"psram-2M flash-8M"

Signed-off-by: Marek Matej <marek.matej@espressif.com>
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