target/openrisc: Call cpu_openrisc_clock_init() in cpu_realize()

OpenRISC timer is architecturally tied to the CPU.

It doesn't belong to the machine init() code to
instanciate it: move its creation when a vCPU is
realized (after being created).

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250114231304.77150-1-philmd@linaro.org>

hw/openrisc/openrisc_sim.c

@@ -306,8 +306,6 @@ static void openrisc_sim_init(MachineState *machine)
             exit(1);
         }
 
-        cpu_openrisc_clock_init(cpus[n]);
-
         qemu_register_reset(main_cpu_reset, cpus[n]);
     }
 

hw/openrisc/virt.c

@@ -487,8 +487,6 @@ static void openrisc_virt_init(MachineState *machine)
             exit(1);
         }
 
-        cpu_openrisc_clock_init(cpus[n]);
-
         qemu_register_reset(main_cpu_reset, cpus[n]);
     }
 

target/openrisc/cpu.c

@@ -165,6 +165,10 @@ static void openrisc_cpu_realizefn(DeviceState *dev, Error **errp)
     qemu_init_vcpu(cs);
     cpu_reset(cs);
 
+#ifndef CONFIG_USER_ONLY
+    cpu_openrisc_clock_init(OPENRISC_CPU(dev));
+#endif
+
     occ->parent_realize(dev, errp);
 }