target-i386: Move apic_state field from CPUX86State to X86CPU

This motion is preparing for refactoring vCPU APIC subsequently.

Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/target-i386/misc_helper.c b/target-i386/misc_helper.c
index b6307ca..47f6a2f 100644
--- a/target-i386/misc_helper.c
+++ b/target-i386/misc_helper.c
@@ -155,7 +155,7 @@
         break;
     case 8:
         if (!(env->hflags2 & HF2_VINTR_MASK)) {
-            val = cpu_get_apic_tpr(env->apic_state);
+            val = cpu_get_apic_tpr(x86_env_get_cpu(env)->apic_state);
         } else {
             val = env->v_tpr;
         }
@@ -179,7 +179,7 @@
         break;
     case 8:
         if (!(env->hflags2 & HF2_VINTR_MASK)) {
-            cpu_set_apic_tpr(env->apic_state, t0);
+            cpu_set_apic_tpr(x86_env_get_cpu(env)->apic_state, t0);
         }
         env->v_tpr = t0 & 0x0f;
         break;
@@ -286,7 +286,7 @@
         env->sysenter_eip = val;
         break;
     case MSR_IA32_APICBASE:
-        cpu_set_apic_base(env->apic_state, val);
+        cpu_set_apic_base(x86_env_get_cpu(env)->apic_state, val);
         break;
     case MSR_EFER:
         {
@@ -437,7 +437,7 @@
         val = env->sysenter_eip;
         break;
     case MSR_IA32_APICBASE:
-        val = cpu_get_apic_base(env->apic_state);
+        val = cpu_get_apic_base(x86_env_get_cpu(env)->apic_state);
         break;
     case MSR_EFER:
         val = env->efer;