The installation from DVD on s390x needs setting the target disks and
network information that are usually set by editing the generic.prm file.
By including the "rd.cmdline=ask" parameter dracut will open a simple
dialog so the user can enter the required information.
Resolves: rhbz#1132050
(cherry picked from commit 
		
	
					 | 
			||
|---|---|---|
| .. | ||
| generic.ins | ||
| generic.prm | ||
| genericdvd.prm | ||
| redhat.exec | ||