Mango210 fastboot bootloader

Fastboot bootloader build complete. support ICS [Android 4.0]
uboot based for smdkv210's uboot.
addition, ext4 fileystem and ext4 sparce support.
addition command.

in the future will support ext4 format command and logo.

command :

- fastboot oem format
  : sdcard initialize, partition create.
- fastboot erase fat
  : media partition create.
- fastboot -w flash kernel [kernel_Image]
  : erase userdata, cache and write kernel
- fastboot flash system [system.img]
  : write system image, ext4 sparse support
- fastboot flash userdata [userdata.img]
  : write userdata image, ext4 sparse support

usage :
1. insert sdcard (from host)
2. unzip mango210_uboot.zip
3. run script : ./sdwriter [destiny disk]
   : ex) ./sdwriter /dev/sdb
4. insert sdcard (to mango210)
5. booting mango210 and press gpio key. -> into the fastbooting mode.
6. typing command.
  - fastboot oem format
  - fastboot erase fat
  - fastboot -w flash kernel [image]
  - fastboot flash system [system_image]
  - fastboot flash userdata [userdata_image]
7. last, rebooting board.

image link : bootloader link