s390: Correct prno instruction name

IBM z13 (arch11) introduced ppno (Perform Pseudorandom Number Operation).
IBM z14 (arch12) introduced prno (Perform Random Number Operation) and
deprecated ppno.

opcodes/
	* s390-opc.txt: Correct prno instruction name.

Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Reviewed-by: Andreas Krebbel <krebbel@linux.ibm.com>

opcodes/s390-opc.txt

diff --git a/opcodes/s390-opc.txt b/opcodes/s390-opc.txt
index 674c0cf..853758b 100644
--- a/opcodes/s390-opc.txt
+++ b/opcodes/s390-opc.txt
@@ -1910,7 +1910,7 @@
 
 b929 kma RRF_R0RR "cipher message with galois counter mode" arch12 zarch
 
-b93c prno RRE_RR "perform pseudorandom number operation" arch12 zarch
+b93c prno RRE_RR "perform random number operation" arch12 zarch
 b9a1 tpei RRE_RR "test pending external interruption" arch12 zarch
 b9ac irbm RRE_RR "insert reference bits multiple" arch12 zarch