Kong has a build from 9/9: http://www.desipro.de/openwrt/trunk/ipq806x-nss/
My build is based on @ansuel repo and is using the 5.4.60 kernel (about 2 weeks old, r14339).
My sysupgrade file is incorrectly named r14443 
- it is r14339.
This is what is included:
# Use "make defconfig" to expand this to a full .config
CONFIG_TARGET_ipq806x=y
CONFIG_TARGET_ipq806x_generic=y
CONFIG_TARGET_ipq806x_generic_DEVICE_netgear_r7800=y
# exfat is patented
CONFIG_BUILD_PATENTED=y
# NSS Drivers
CONFIG_PACKAGE_kmod-qca-nss-drv=y
CONFIG_PACKAGE_kmod-qca-nss-drv-qdisc=y
CONFIG_PACKAGE_kmod-qca-nss-ecm-standard=y
CONFIG_PACKAGE_kmod-qca-nss-gmac=y
CONFIG_PACKAGE_kmod-nss-ifb=y
CONFIG_PACKAGE_iptables-mod-physdev=y
CONFIG_PACKAGE_kmod-ipt-physdev=y
# Longer waiting for failsafe button push
CONFIG_IMAGEOPT=y
CONFIG_PREINITOPT=y
CONFIG_TARGET_PREINIT_TIMEOUT=5
# Busybox tweaks
CONFIG_BUSYBOX_CUSTOM=y
CONFIG_BUSYBOX_CONFIG_FEATURE_EDITING_SAVEHISTORY=y
CONFIG_BUSYBOX_CONFIG_FEATURE_EDITING_SAVE_ON_EXIT=y
CONFIG_BUSYBOX_CONFIG_FEATURE_LESS_FLAGS=y
CONFIG_BUSYBOX_CONFIG_FEATURE_LESS_REGEXP=y
CONFIG_BUSYBOX_CONFIG_FEATURE_LESS_WINCH=y
# Add-on programs
CONFIG_PACKAGE_irqbalance=y
CONFIG_DROPBEAR_ECC=y
# USB device mount & file systems support
CONFIG_PACKAGE_block-mount=y
CONFIG_PACKAGE_kmod-usb-storage=y
CONFIG_PACKAGE_kmod-fs-cifs=y
CONFIG_PACKAGE_kmod-fs-exfat=y
CONFIG_PACKAGE_libblkid=y
CONFIG_PACKAGE_kmod-fs-ext4=y
CONFIG_PACKAGE_kmod-fs-hfsplus=y
CONFIG_PACKAGE_kmod-fs-msdos=y
CONFIG_PACKAGE_kmod-fs-vfat=y
CONFIG_PACKAGE_ntfs-3g=y
CONFIG_PACKAGE_kmod-nls-cp1250=y
CONFIG_PACKAGE_kmod-nls-cp437=y
CONFIG_PACKAGE_kmod-nls-cp850=y
CONFIG_PACKAGE_kmod-nls-iso8859-1=y
CONFIG_PACKAGE_kmod-nls-iso8859-15=y
CONFIG_PACKAGE_kmod-nls-utf8=y
# IPv6 support
CONFIG_PACKAGE_6in4=y
CONFIG_PACKAGE_6to4=y
CONFIG_PACKAGE_6rd=y
# IPv6 NAT support (ip6tables NAT extensions, ipt-nat6 and nf-nat6 kmods)
CONFIG_PACKAGE_ip6tables-mod-nat=y
# WLAN/WPS support
CONFIG_PACKAGE_hostapd-utils=y
CONFIG_WPA_MSG_MIN_PRIORITY=4
CONFIG_PACKAGE_wpad-openssl=y
# CONFIG_PACKAGE_wpad-basic-wolfssl is not set
# CONFIG_PACKAGE_libustream-wolfssl is not set
# SSL certificates
CONFIG_PACKAGE_ca-certificates=y
# Luci (SSL from OpenSSL)
CONFIG_PACKAGE_luci-ssl-openssl=y
CONFIG_PACKAGE_luci-app-commands=y
CONFIG_PACKAGE_luci-app-sqm=y
CONFIG_PACKAGE_luci-app-dawn=y
# Luci statistics
CONFIG_PACKAGE_luci-app-statistics=y
CONFIG_PACKAGE_collectd-mod-conntrack=y
CONFIG_PACKAGE_collectd-mod-cpufreq=y
CONFIG_PACKAGE_collectd-mod-entropy=y
CONFIG_PACKAGE_collectd-mod-ping=y
CONFIG_PACKAGE_collectd-mod-sqm=y
CONFIG_PACKAGE_collectd-mod-thermal=y
CONFIG_PACKAGE_collectd-mod-uptime=y
# nlbwmon app
CONFIG_PACKAGE_luci-app-nlbwmon=y
# chaoskey TRNG USB dongle
CONFIG_PACKAGE_kmod-chaoskey=y