``make xconfig`` toplevel target will invoke ``make qconf`` inside
./scripts/config directory, which results a ``qconf`` executable.
This commit removes leftover ``qconf`` executable during ``make
config-clean``.
Signed-off-by: Alif M. Ahmad <alive4ever@live.com>
qconf is kconfig UI utilizing QT toolkit. This makes it possible to use
graphical interface interaction to configure LEDE build target.
This commit adds qconf target to ./script/config/Makefile to be used by
toplevel ``make xconfig`` later.
Signed-off-by: Alif M. Ahmad <alive4ever@live.com>
