kbuild: refactor script/kconfig/Makefile
kbuild: refactor script/kconfig/Makefile

Now it is harmless to add all host programs to hostprogs-y.

Signed-off-by: Masahiro Yamada <e4725b56ff6a11ac4309e92440cacb47b56011ab@jp.panasonic.com>
Signed-off-by: Michal Marek <0c835876a532a476f30fdb1f6e963bae6c5a1a04@suse.cz>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs