[S390] Get rid of new section mismatch warnings.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/vmlinux.lds.S

@@ -21,6 +21,7 @@ SECTIONS
   . = 0x00000000;
   _text = .;			/* Text and read-only data */
   .text : {
+	*(.text.head)
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT