kbuild: silence CHK/UPD messages according to $(quiet)

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/init/Makefile b/init/Makefile
index 633392f..c5f157c 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -27,7 +27,9 @@
 # mkcompile_h will make sure to only update the
 # actual file if its content has changed.
 
+ quiet_chk_compile.h = echo '  CHK     $@'
+silent_chk_compile.h = :
 include/linux/compile.h: FORCE
-	@echo '  CHK     $@'
+	@$($(quiet)chk_compile.h)
 	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
 	"$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)"