update berlin-packages

* initial work on changing uplink-type

feeds.conf

@@ -1,7 +1,7 @@
 src-git packages https://github.com/openwrt/packages.git^45917f59dce5c52a6422281031767776fcfc8ec9
 src-git luci https://github.com/openwrt/luci.git^e69d05cac4e0d2e97bae7ff47838ccd32ef0cb24
 src-git routing https://github.com/openwrt-routing/packages.git^3d97690ba39af930b6456ef9901d5037ae0e11eb
-src-git packages_berlin https://github.com/freifunk-berlin/firmware-packages.git^9f34f94609bd64238b98c98bf7176ac84e4d8376
+src-git packages_berlin https://github.com/freifunk-berlin/firmware-packages.git^d17458804a2f02842e69f618c1f40fd75a08fdc9
 src-git gluon https://github.com/freifunk-gluon/packages.git^54fac539c4ddcf1c7cbd90205b339012b406bc56
 
 ##