opkg: update to git HEAD

 d71856a pkg: pass-through ABIVersion to status file

Signed-off-by: Daniel Golle <[email protected]>

package/system/opkg/Makefile

@@ -14,9 +14,9 @@ PKG_FLAGS:=essential
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://git.openwrt.org/project/opkg-lede.git
-PKG_SOURCE_DATE:=2020-12-24
-PKG_SOURCE_VERSION:=9bbc7eae91edc3dbb020e2a50d51d9a3fbbf31ca
-PKG_MIRROR_HASH:=baa32d1b381d0eb2e224f4742974581c6705c13814662442ebd1288a91c2d577
+PKG_SOURCE_DATE:=2021-03-11
+PKG_SOURCE_VERSION:=d71856a4f137dc9fb890c5e777790e2c51fde921
+PKG_MIRROR_HASH:=4da8ef070474dbc3854435838fbec585d1bdf74f7c99a2fb27203798b7f93c19
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING