ovn: bump to version 20.12.0

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

net/ovn/Makefile

@@ -9,13 +9,13 @@ include $(INCLUDE_DIR)/kernel.mk
 include ../openvswitch/openvswitch.mk
 
 PKG_NAME:=ovn
-PKG_VERSION:=20.09.0
+PKG_VERSION:=20.12.0
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/ovn-org/ovn.git
 PKG_SOURCE_VERSION:=v$(PKG_VERSION)
-PKG_MIRROR_HASH:=38cf4af2c6b7e1b9440e21281c1da4dc5a48d03504b7063bc019b9459aba4a7e
+PKG_MIRROR_HASH:=6d1b5d907b4445e84653527ccf5977b05555c785f90587dee0fc1950d96727cc
 
 PKG_LICENSE:=Apache-2.0
 PKG_LICENSE_FILES:=LICENSE