libyang: add PKG_MIRROR_HASH

Signed-off-by: Mislav Novakovic <mislav.novakovic@sartura.hr>

libs/libyang/Makefile

@@ -18,6 +18,7 @@ PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/CESNET/libyang.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_VERSION:=7e811613b335afc8e1b2c0ee77e7b3f371bc9175
+PKG_MIRROR_HASH:=860865b294c628ad66ca5ef6848aae8df93e46325302914dbfb14264866f1678
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 
 PKG_BUILD_PARALLEL:=1