As of a while ago, we no longer ship a separate firmware tarball, so we
don't need a tmpfs for /lib/firmware anymore, so let's stop mounting
one. Fixes firmware issues with current minimal install ISOs.
# fstab tweaks
echo "tmpfs / tmpfs defaults 0 0" >> /etc/fstab
-echo "tmpfs /lib/firmware tmpfs defaults 0 0" >> /etc/fstab
echo "tmpfs /usr/portage tmpfs defaults 0 0" >> /etc/fstab
# If /usr/lib/X11/xkb/compiled then make it tmpfs
if [ -d /usr/lib/X11/xkb/compiled ]