modules: update OpenWrt

6aef4bc7c3 lantiq: fritz7320: enable USB power supply
6bf5bfc19f openssl: bump to 1.1.1j
f44153038e OpenWrt v19.07.7: revert to branch defaults
d5ae565873 OpenWrt v19.07.7: adjust config defaults
c4a6851c72 kernel: bump 4.14 to 4.14.221
f8b849103d ramips: ethernet: Disable TSO support to improve stability

modules

@@ -2,7 +2,7 @@ GLUON_FEEDS='packages routing gluon'
 
 OPENWRT_REPO=https://github.com/openwrt/openwrt.git
 OPENWRT_BRANCH=openwrt-19.07
-OPENWRT_COMMIT=fec1aa6dfbcea5fdcaa35ec441de6fdd750b4d1a
+OPENWRT_COMMIT=6aef4bc7c396d19690ef989143d0bbcbb0fbdde1
 
 PACKAGES_PACKAGES_REPO=https://github.com/openwrt/packages.git
 PACKAGES_PACKAGES_BRANCH=openwrt-19.07