prettify make clean

forgot extra/config

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Makefile.in

@@ -430,7 +430,7 @@ defconfig: $(top_builddir)extra/config/conf
 		-D extra/Configs/defconfigs/$(ARCH)
 
 menuconfig-clean-y:
-	$(Q)$(MAKE) -C extra/config menuconfig_clean
+	$(Q)$(MAKE) -C extra/config CLEAN_extra/config
 
 include_clean:
 	$(Q)$(RM) $(top_builddir)include/fpu_control.h $(top_builddir)include/dl-osinfo.h $(top_builddir)include/hp-timing.h

extra/config/Makefile

@@ -73,7 +73,7 @@ $(obj)/%:: $(top_srcdir)$(src)/%_shipped
 	@$(disp_gen)
 	$(Q)cat $< > $@
 endif
-menuconfig_clean:
+CLEAN_extra/config menuconfig_clean:
 	$(do_rm) $(clean-files) $(lxdialog) conf $(wildcard *.o)
 distclean: clean
 	$(do_rm) $(lxdialog) $(conf-objs) $(mconf-objs) \