In the past kernel built object files were named 'built-in.o'.
Nowadays it is 'built-in.a'.
The script is modified to work with both. I expect
it will not happen that there are built-in.a and built-in.o
files in the same kernel.
Signed-off-by: Jan Vermaete <jan.vermaete@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Steve Sakoman <steve@sakoman.com>
