target-arm: Adjust id_aa64pfr0 when has_el3 CPU property disabled

Signed-off-by: NSergey Fedorov <serge.fdrv@gmail.com>
Message-id: 1429669112-29835-1-git-send-email-serge.fdrv@gmail.com
Reviewed-by: NGreg Bellows <greg.bellows@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

target-arm/cpu.c

@@ -524,9 +524,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         unset_feature(env, ARM_FEATURE_EL3);
 
         /* Disable the security extension feature bits in the processor feature
-         * register as well.  This is id_pfr1[7:4].
+         * registers as well. These are id_pfr1[7:4] and id_aa64pfr0[15:12].
          */
         cpu->id_pfr1 &= ~0xf0;
+        cpu->id_aa64pfr0 &= ~0xf000;
     }
 
     register_cp_regs_for_features(cpu);