s390: show statistics for MSI IRQs

Improve /proc/interrupts on s390 to show statistics for individual
MSI interrupts.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
4 files changed