Fix checkpatch warnings:
"WARNING: Prefer seq_puts to seq_printf"
Signed-off-by: NFabian Frederick <fabf@skynet.be>
Signed-off-by: NStefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>