Remove CPU_SETSIZE assertion
Remove CPU_SETSIZE assertion

Patch remove CPU_SETSIZE assertion so that the systems with more
than 1024 CPUs can run the application

Signed-off-by: Harish <067593f58491c1a57a54a0dcd26f34c5890837f5@linux.ibm.com>

stressapptest/stressapptest,stressapptest/stressapptest,stressapptest/stressapptest