Fix wrong architecture level of PCKMO instruction. Committed to mainline. opcodes/ChangeLog: 2017-05-17 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * s390-opc.txt: PCKMO change arch level to z196. gas/ChangeLog: 2017-05-17 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * testsuite/gas/s390/zarch-z10.d: Remove pckmo. * testsuite/gas/s390/zarch-z10.s: Remove pckmo. * testsuite/gas/s390/zarch-z196.d: Add pckmo. * testsuite/gas/s390/zarch-z196.s: Add pckmo.