bpftrace: Fix tests intptrcast for s390x
bpftrace: Fix tests intptrcast for s390x

Issue:
The first sarg value should be 0xfed. Only five reg args for s390x.

Fix:
Fix this in intptrcast tests

Signed-off-by: Sumanth Korikkar <ce55f038c56237666a10109f730271a4db066561@linux.ibm.com>

iovisor/bpftrace,iovisor/bpftrace,iovisor/bpftrace,iovisor/bpftrace