[Buildroot] [PATCH 2/3] defconfigs: use the new headers-version-same-as-kernel-version option

[Steve Calfee]

Can we still have different header and kernel versions?

As I understand it we have to rebuild the toolchain when we change
header versions. So if I have a working embedded system based on
kernel x and am trying to get a new one working with kernel x+1, I
really don't want to change the kernel header version. In this case
they should be backward compatible. And rebuilding the toolchain is
such a pain that I always use an external toolchain, even if using the
buildroot internal built one.

So as long as I can still have separate header/kernel versions, I am
happy with this change. Otherwise, it will be a pain with more full
rebuilds.

Regards, Steve