cpu: Turn cpu_dump_{state,statistics}() into CPUState hooks

Make cpustats monitor command available unconditionally.

Prepares for changing kvm_handle_internal_error() and kvm_cpu_exec()
arguments to CPUState.

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 803945d..5e5abe3 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -179,10 +179,11 @@
 #define DUMP_CODE_BYTES_TOTAL    50
 #define DUMP_CODE_BYTES_BACKWARD 20
 
-void cpu_dump_state(CPUX86State *env, FILE *f, fprintf_function cpu_fprintf,
-                    int flags)
+void x86_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
+                        int flags)
 {
-    CPUState *cs = CPU(x86_env_get_cpu(env));
+    X86CPU *cpu = X86_CPU(cs);
+    CPUX86State *env = &cpu->env;
     int eflags, i, nb;
     char cc_op_name[32];
     static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };