kbuild: Nice output when generating PCI device list

drivers/pci/Makefile

@@ -39,16 +39,17 @@ endif
 
 host-progs := gen-devlist
 
-# Files generated that shall be removed upon make clean
-clean-files := devlist.h classlist.h
-
 # Dependencies on generated files need to be listed explicitly
-
 $(obj)/names.o: $(obj)/devlist.h $(obj)/classlist.h
+$(obj)/classlist.h: $(obj)/devlist.h
 
 # And that's how to generate them
-
+quiet_cmd_devlist = DEVLIST $@
+      cmd_devlist = ( cd $(obj); ./gen-devlist ) < $<
 $(obj)/devlist.h: $(src)/pci.ids $(obj)/gen-devlist
-	( cd $(obj); ./gen-devlist ) < $<
+	$(call cmd,devlist)
+
+# Files generated that shall be removed upon make clean
+clean-files := devlist.h classlist.h
+
 
-$(obj)/classlist.h: $(obj)/devlist.h