scripts: rename executable file of kernel. [1/2]

PD#SWPL-113092

Problem:
There is a conflict between executable files of u-boot
and mcuboot.

Solution:
rename the executable file of kernel.

Verify:
ad403_a113l

Change-Id: I8e82e4fcf2b42ec6cd7bfd86f2e3f717ac013314
Signed-off-by: fugui.zhang <fugui.zhang@amlogic.com>
1 file changed