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/usr/lib/udev/hwdb.d/20-sdio-classes.hwdb

@@ -0,0 +1,33 @@
+# This file is part of systemd.
+#
+# Data imported from: hwdb.d/sdio.ids
+
+sdio:c00v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=Non-standard SDIO interface
+
+sdio:c01v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=UART standard interface
+
+sdio:c02v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=Bluetooth Type-A standard interface
+
+sdio:c03v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=Bluetooth Type-B standard interface
+
+sdio:c04v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=GPS standard interface
+
+sdio:c05v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=Camera standard interface
+
+sdio:c06v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=PHS standard interface
+
+sdio:c07v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=WLAN interface
+
+sdio:c08v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=Embedded SDIO-ATA standard interface
+
+sdio:c09v*d*
+ ID_SDIO_CLASS_FROM_DATABASE=Bluetooth AMP standard interface