Increase the command to match the size of uboot file and flash chip
CH341A does not match the size of the uboot file with the size of the flash chip.
When the size of the uboot file is not equal to 16M, if the flashing step is executed directly, an error of size dosen't match will be reported, and the flashing fails
Increase the command to match the size of uboot file and flash chip
CH341A does not match the size of the uboot file with the size of the flash chip. When the size of the uboot file is not equal to 16M, if the flashing step is executed directly, an error of size dosen't match will be reported, and the flashing fails
Signed-off-by: lyx yanxia.li@siemens.com