partition_setup.sh: Fix cmdline.txt handling
partition_setup.sh: Fix cmdline.txt handling

Add sdhci.debug_quirks2=4 to cmdline.txt when resizing

Only remove 'quiet' from cmdline if splash screen is off

WLANThermo/pi-gen,RPi-Distro/pi-gen,rkubes/pi-gen,jacen92/pi-gen