Ipq806x NSS build (Netgear R7800 / TP-Link C2600 / Linksys EA8500)

Are you building from my 5.15 branch or just using the nss packages from my repo? Those functions should be in target/linux/ipq806x/patches-5.15/999-001-Revert-ARM-dma-mapping-remove-dmac_clean_range-and-d.patch