packet-infiniband: Add missing SA methods into mad_method_str

so they are not indicated as Method: Unknown under
MAD Header - Common Management Datagram

Change-Id: I8e8fe918eea86e7095967d0b82772a813eafe2a5
Signed-off-by: Hal Rosenstock <hal.rosenstock@gmail.com>
Reviewed-on: https://code.wireshark.org/review/24228
Reviewed-by: Anders Broman <a.broman58@gmail.com>

epan/dissectors/packet-infiniband.c

@@ -6035,6 +6035,13 @@ void proto_register_infiniband(void)
         { 0x06, "Report()" },
         { 0x86, "ReportResp()" },
         { 0x07, "TrapRepress()" },
+        { 0x12, "GetTable()" },
+        { 0x92, "GetTableResp()" },
+        { 0x13, "GetTraceTable()" },
+        { 0x14, "GetMulti()" },
+        { 0x94, "GetMultiResp()" },
+        { 0x15, "Delete()" },
+        { 0x95, "DeleteResp()" },
         { 0,    NULL }
     };