factoryBurn: dnl: add burn single bootloader cpy [1/1]

PD#SWPL-196940

Problem:
need support burn only one bootloader copy

Solution:
add support part bootloader-user/boot0/boot1

Verify:
t950d5

Change-Id: Ieb700423f54501a73235d95bc8234d73eb948997
Signed-off-by: yihui wu <yihui.wu@amlogic.com>
6 files changed