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/modprobe.d/blacklist.conf

@@ -0,0 +1,84 @@
+#
+# Listing a module here prevents the hotplug scripts from loading it.
+# Usually that'd be so that some other driver will bind it instead,
+# no matter which driver happens to get probed first.  Sometimes user
+# mode tools can also control driver binding.
+
+# tulip ... de4x5, xircom_tulip_cb, dmfe (...) handle same devices
+blacklist de4x5
+
+# At least 2.4.3 and later xircom_tulip doesn't have that conflict
+# xircom_tulip_cb
+blacklist dmfe
+
+#evbug is a debug tool and should be loaded explicitly
+blacklist evbug
+
+# Alternate 8139 driver.  Some 8139 cards need this specific driver,
+# though...
+# blacklist 8139cp
+
+# Ethernet over IEEE1394 module.  In too many cases this will load
+# when there's no eth1394 device present (just an IEEE1394 port)
+blacklist eth1394
+
+# This module causes many Intel motherboards to crash and reboot.
+blacklist i8xx-tco
+
+# The kernel lists this as "experimental", but for now it's "broken"
+blacklist via-ircc
+
+# ALSA modules to support sound modems.  These should be loaded manually
+# if needed.  For most people they just break sound support...
+blacklist snd-atiixp-modem
+blacklist snd-intel8x0m
+blacklist snd-via82xx-modem
+
+# we don't want use the pc speaker
+blacklist snd-pcsp
+
+# Alternative module to Orinoco Wireless Cards.
+blacklist hostap
+blacklist hostap_cs
+
+# framebuffer drivers
+blacklist aty128fb
+blacklist atyfb
+blacklist radeonfb
+blacklist i810fb
+blacklist cirrusfb
+blacklist intelfb
+blacklist kyrofb
+blacklist i2c-matroxfb
+blacklist hgafb
+blacklist nvidiafb
+blacklist rivafb
+blacklist savagefb
+blacklist sstfb
+blacklist neofb
+blacklist tridentfb
+blacklist tdfxfb
+blacklist viafb
+blacklist virgefb
+blacklist vga16fb
+blacklist matroxfb_base
+blacklist vt8623fb
+
+# blacklist 1394 drivers
+blacklist ohci1394
+blacklist video1394
+blacklist dv1394
+
+# blacklist mISDN dirver by default as we prefer dahdi drivers
+blacklist hfcmulti
+blacklist hfcpci
+blacklist hfcsusb
+
+# blacklist C7 cpu freq. use acpi-cpufreq instead
+blacklist e_powersaver
+
+blacklist microcode
+
+# needs init config, not compatible with acpid
+# https://gitlab.alpinelinux.org/alpine/aports/-/issues/12999
+blacklist tiny_power_button