cpu-exec: Use cpu_reset() in cpu_exec() for TARGET_PPC

CPUState will be needed for all targets in the future, so place it into
the main variable declaration block.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Alexander Graf <agraf@suse.de>
diff --git a/cpu-exec.c b/cpu-exec.c
index fbb39cb..83cac93 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -184,6 +184,9 @@
 
 int cpu_exec(CPUArchState *env)
 {
+#ifdef TARGET_PPC
+    CPUState *cpu = ENV_GET_CPU(env);
+#endif
     int ret, interrupt_request;
     TranslationBlock *tb;
     uint8_t *tc_ptr;
@@ -341,7 +344,7 @@
                     }
 #elif defined(TARGET_PPC)
                     if ((interrupt_request & CPU_INTERRUPT_RESET)) {
-                        cpu_state_reset(env);
+                        cpu_reset(cpu);
                     }
                     if (interrupt_request & CPU_INTERRUPT_HARD) {
                         ppc_hw_interrupt(env);