sdkconfig: Switch to 16MiB partition layout

# ESP-IDF Partition Table
# Name, Type, SubType, Offset, Size, Flags
nvs,data,nvs,0x9000,24K,
phy_init,data,phy,0xf000,4K,
factory,app,factory,0x10000,6080K,
vfs,data,fat,0x600000,10M,

components/micropython/vendor/ports/esp32/partitions-16MiB.csv

@@ -3,5 +3,5 @@
 # Name,   Type, SubType, Offset,  Size, Flags
 nvs,      data, nvs,     0x9000,  0x6000,
 phy_init, data, phy,     0xf000,  0x1000,
-factory,  app,  factory, 0x10000, 0x1F0000,
-vfs,      data, fat,     0x200000, 0xE00000,
+factory,  app,  factory, 0x10000, 0x5F0000,
+vfs,      data, fat,     0x600000, 0xA00000,