modules: update OpenWrt

df4feb1655 ipq40xx: fix FRITZRepeater 1200 RGMII delay
f3f70fb956 netifd: update to the latest version

Signed-off-by: David Bauer <mail@david-bauer.net>

modules

@@ -2,7 +2,7 @@ GLUON_FEEDS='packages routing gluon'
 
 OPENWRT_REPO=https://github.com/openwrt/openwrt.git
 OPENWRT_BRANCH=openwrt-21.02
-OPENWRT_COMMIT=23cde9d12a1318867d87e13c46fe3193555935ae
+OPENWRT_COMMIT=df4feb165591fca2c8c16601f31896189af9f636
 
 PACKAGES_PACKAGES_REPO=https://github.com/openwrt/packages.git
 PACKAGES_PACKAGES_BRANCH=openwrt-21.02