Switched to SST26VF064B flash

Author: ross-satchell

ports/atmel-samd/boards/microchip_curiosity_circuitpython_nano/mpconfigboard.mk

@@ -6,9 +6,11 @@ USB_MANUFACTURER = "Microchip Technology Inc"
 CHIP_VARIANT = SAME51J20A
 CHIP_FAMILY = same51
 
-QSPI_FLASH_FILESYSTEM = 1
-EXTERNAL_FLASH_DEVICES = "SST26VF016B"
+# QSPI_FLASH_FILESYSTEM = 1
+INTERNAL_FLASH_FILESYSTEM = 1
+EXTERNAL_FLASH_DEVICES = "SST26VF064B"
 LONGINT_IMPL = MPZ
+CIRCUITPY_ULAB = 0
 
 CIRCUITPY__EVE = 1
 CIRCUITPY_BITMAPFILTER = 0