fixes for bootdisk when disks are SCSI:
extract all SCSI modules,
make initrd bigger,
add some more SCSI modules to kernel.conf,
add basename+tr to stage1 for udev-script
git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@7121 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc