update adafruit boards tinyuf2 and partition scheme

Author: hathach

boards.txt

@@ -127,8 +127,8 @@ build.flash_freq=80m
 build.boot=qio
 build.boot_freq={build.flash_freq}
 build.bootloader_addr=0x1000
-build.custom_bootloader=bootloader
-build.custom_partitions=partitions
+build.custom_bootloader=
+build.custom_partitions=
 build.code_debug=0
 build.defines=
 build.loop_core=

platform.txt

@@ -1,7 +1,7 @@
 # ESP-IDF Partition Table
 # Name,   Type, SubType, Offset,  Size, Flags
 # bootloader.bin,,          0x1000, 32K
-# partition table,         0x8000, 4K
+# partition table,          0x8000, 4K
 
 nvs,      data, nvs,      0x9000,  20K,
 otadata,  data, ota,      0xe000,  8K,

variants/adafruit_feather_esp32s2/bootloader.bin

@@ -0,0 +1,11 @@
+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+# bootloader.bin,,          0x1000, 32K
+# partition table,          0x8000, 4K
+
+nvs,      data, nvs,      0x9000,  20K,
+otadata,  data, ota,      0xe000,  8K,
+ota_0,    0,    ota_0,   0x10000,  1408K,
+ota_1,    0,    ota_1,  0x170000,  1408K,
+uf2,      app,  factory,0x2d0000,  256K,
+ffat,     data, fat,    0x310000,  960K,

variants/adafruit_feather_esp32s2/partitions.csv renamed to variants/adafruit_feather_esp32s2/tinyuf2-partitions-4MB.csv

@@ -0,0 +1,10 @@
+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+# bootloader.bin,,          0x1000, 32K
+# partition table,,         0x8000, 4K
+nvs,      data, nvs,      0x9000,  20K,
+otadata,  data, ota,      0xe000,  8K,
+ota_0,    0,    ota_0,   0x10000,  2048K,
+ota_1,    0,    ota_1,  0x210000,  2048K,
+uf2,      app,  factory,0x410000,  256K,
+ffat,     data, fat,    0x450000,  11968K,