util/qemu-config: Add loadparm to qemu machine_opts

Add S390CcwMachineState machine parameter "loadparm" to qemu machine_opts so
libvirt can query for it.

Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
diff --git a/util/qemu-config.c b/util/qemu-config.c
index 5527100..405dd1a 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -227,6 +227,12 @@
             .name = "dea-key-wrap",
             .type = QEMU_OPT_BOOL,
             .help = "enable/disable DEA key wrapping using the CPACF wrapping key",
+        },{
+            .name = "loadparm",
+            .type = QEMU_OPT_STRING,
+            .help = "Up to 8 chars in set of [A-Za-z0-9. ](lower case chars"
+                    " converted to upper case) to pass to machine"
+                    " loader, boot manager, and guest kernel",
         },
         { /* End of list */ }
     }