kbuild: link using ${LD} instead of ${CC}

Not all GCC toolchains generate a fully linked image (non-relocatable) when
using ${CC} for linking.

Change-Id: Id99501b6510cd6eeb87f245a6273fcebd6d36cde
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2 files changed