fix: Switch to space-separated sources.conf format

- Change from colon to space separation to avoid URL parsing issues
- Update sources.conf format: TYPE NAME URL VERSION BUILD_FUNCTION [EXTRA]
- Implement awk-based parsing for reliable field extraction
- Fix firmware package list (remove unavailable linux-firmware-marvell)

initramfs/etc/network/if-up.d/dad

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Block ifup until DAD completion
+# Copyright (c) 2016-2018 Kaarle Ritvanen
+
+has_flag() {
+	ip address show dev $IFACE up | grep -q " $1 "
+}
+
+counter=100
+while [ "$counter" -gt 0 ] &&
+	has_flag tentative &&
+	! has_flag dadfailed; do
+	sleep 0.2
+	counter=$((counter - 1))
+done