misc: fix spelling

Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: NLaurent Vivier <laurent@vivier.eu>
Message-Id: <20181105135400.18366-1-marcandre.lureau@redhat.com>
Signed-off-by: NLaurent Vivier <laurent@vivier.eu>

target/i386/cpu.c

@@ -4065,7 +4065,7 @@ arch_query_cpu_model_expansion(CpuModelExpansionType type,
         x86_cpu_to_dict_full(xc, props);
     break;
     default:
-        error_setg(&err, "Unsupportted expansion type");
+        error_setg(&err, "Unsupported expansion type");
         goto out;
     }