Update Makefile
Update Makefile

Add go clean

Sign-off-by: ChengTiesheng <9f5234cf54b19afbdea7660ac99b3b7a61b6449a@huawei.com>
MabinGo/dockyard,MabinGo/dockyard,maquanyi/dockyard,MabinGo/dockyard,MabinGo/dockyard,MabinGo/dockyard