for qq2440 board bootscreen change. Create a new (565) 24bit bmp and change sansung.c in smdk2440 as similar name.

此工具，只要是把24位bmp图转换成成16位565格式数据，用于嵌入式平台 -This tool, as long as 24 bmp maps were converted into 16-bit data format 565 for Embedded Platform