s390: add pgd_page primitive

Add pgd_page primitive which is required by kasan common code.
Also fixes typo in p4d_page definition.

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
1 file changed