routing: add all changes of branch openwrt-21.02 till 31. May 2021

2e602f7 Merge pull request #635 from ecsv/batadv-2021.0
519c1ff babeld: send events via ubus (#633)
72408a9 babeld: fix compiler warnings (#639)
8699124 babeld: adopt to upstream header-style (#640)
d63eda0 Merge pull request #643 from ecsv/batadv-2021.0
6f29856 opennds: Release 8.1.1
08903b9 bird2: update to version 2.0.8
5b4d4c7 bird2: Makefile polishing
1267201 opennds: Release v9.0.0
0fc85a4 Merge pull request #657 from ecsv/batadv-for-21.02
9c2452c batman-adv: update to version 2021.1
5d09821 batman-adv: Always send iface index+name in genlmsg
5112114 batctl: update to version 2021.1
7f25964 alfred: update to version 2021.1
57533a2 Merge pull request #659 from ecsv/batadv-for-21.02

modules

@@ -14,7 +14,7 @@ PACKAGES_FREIFUNK_REPO=https://github.com/freifunk/openwrt-packages.git
 PACKAGES_FREIFUNK_COMMIT=c369050aebd227c3ff2c5b9b806263e72342d726
 
 PACKAGES_ROUTING_REPO=https://github.com/openwrt-routing/packages.git
-PACKAGES_ROUTING_COMMIT=9beb55d8fc3aa6f1a913ce1b3fa465581215d069
+PACKAGES_ROUTING_COMMIT=57533a25e84932a7e50b8483843c840f0924bc0c
 PACKAGES_ROUTING_BRANCH=openwrt-21.02
 
 PACKAGES_PACKAGES_BERLIN_REPO=https://github.com/freifunk-berlin/firmware-packages.git