modules: update OpenWrt

29b4104d69 OpenWrt v19.07.4: revert to branch defaults
d5810aa613 OpenWrt v19.07.4: adjust config defaults
ce6496d796 ath10k-ct-firmware: update firmware images
b72077150d ath10k-ct-firmware: update firmware images
ddc2af4505 ath10k-firmware: move CT firmwares to new package
a43a39f531 ath10k-firmware: update ath10k-ct firmware images
4b8a5bdc83 ath10k-firmware: update ath10k-ct firmware
e4b47e12cb ath10k-firmware: update Candela Tech firmware images
7ac454014a ramips: ethernet: fix to interrupt handling
f5afa593e7 hostapd: Fix compile errors after wolfssl update
403039c562 wolfssl: Update to version 4.5.0
dc61110adc wolfssl: use -fomit-frame-pointer to fix asm error
ad38a2ae61 wolfssl: update to 4.4.0-stable
0d35fcbff0 mbedtls: update to 2.16.8

(cherry picked from commit 21d1870a)