modules: update openwrt

8bc8db9ad2 ath79: increase the rfkill debounce interval for TP-Link Archer C7 v2
c2921044e7 bcm53xx: backport 1 more late DT patch accepted for v6.7
829fc381f8 bcm53xx: disable unused switch ports in downstream patch
297484a149 bcm53xx: backport DT changes queued for v6.7
ff9a115f89 bcm53xx: simplify patch adding switch ports
20a046eee6 bcm53xx: build a single device per profile
0e23d24719 bcm53xx: add support for ASUS RT-AC3100
2adf034d22 bcm53xx: backport DT changes for ASUS RT-AC3100 queued for v6.6
38ee41a0b6 image: Fix the CONFIG_EXTERNAL_CPIO logic
1fa6b2639c ipq40xx: switch to performance governor by default