drivers/s390/char/zcore.c does not contain any miscdevice so the
inclusion of linux/miscdevice.h is uncessary.
Signed-off-by: NCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>