Some commands is not supported on RHLL7 host ,this patch is to delete them and...

Some commands is not supported on RHLL7 host ,this patch is to delete them and add some new config on RHEL7
Signed-off-by: NMike Cao <bcao@redhat.com>

qemu/tests/cfg/cpuinfo_query.cfg

@@ -3,7 +3,7 @@
     vms = ''
     variants:
         - qcpu_id:
-            no Host_RHEL.m5
+            only Host_RHEL.m6
             query_cmd = " -cpu ?cpuid"
             cpu_info = "f_edx,f_ecx,extf_edx,extf_ecx"
         - qmachine_type:
@@ -11,10 +11,14 @@
             query_cmd = " -M ?"
             cpu_info = "pc,rhel6.4.0,rhel6.3.0,rhel6.2.0,rhel6.1.0,rhel6.0.0,rhel5.5.0,rhel5.4.4,rhel5.4.0"
         - qcpu_dump:
-            no Host_RHEL.m5
+            only Host_RHEL.m6
             query_cmd = " -cpu ?dump"
             cpu_info = "Opteron_G4,Opteron_G3,Opteron_G2,Opteron_G1,SandyBridge,Westmere,Nehalem,Penryn,Conroe"
         - qcpu_model:
-            no Host_RHEL.m5
+            only Host_RHEL.m6
             query_cmd = " -cpu ?model"
             cpu_info = "Opteron_G4,Opteron_G3,Opteron_G2,Opteron_G1,SandyBridge,Westmere,Nehalem,Penryn,Conroe"
+        - qcpu_info:
+            only Host_RHEL.m7
+            query_cmd = " -cpu ?"
+            cpu_info = "Opteron_G4,Opteron_G3,Opteron_G2,Opteron_G1,SandyBridge,Westmere,Nehalem,Penryn,Conroe"