cpumask: use for_each_online_cpu() in drivers/infiniband/hw/ehca/ehca_irq.c
cpumask: use for_each_online_cpu() in drivers/infiniband/hw/ehca/ehca_irq.c

Impact: cleanup

In future, accessing cpu numbers beyond nr_cpu_ids (the runtime limit)
will be undefined.  We can avoid future problems by using
for_each_online_cpu() here.

Signed-off-by: Rusty Russell <df9728c9e5104131c08c7adb03af425394842596@rustcorp.com.au>
Acked-by: Hoang-Nam Nguyen <763627f3b610aea52a75097c4dd71d039738190a@de.ibm.com>
Tested-by: Hoang-Nam Nguyen <763627f3b610aea52a75097c4dd71d039738190a@de.ibm.com>
Cc: Christoph Raisch <403318c49f6456144761aaa42a66c28867e20455@de.ibm.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs