[ACPI] fix acpi_cpufreq.c build warrning

Signed-off-by: Benoit Boissinot <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Len Brown <[e-mail]>

arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c

···
 	struct cpufreq_acpi_io	*data;
 	unsigned int		result = 0;
 
-	union acpi_object		arg0 = {ACPI_TYPE_BUFFER};
-	u32				arg0_buf[3];
-	struct acpi_object_list 	arg_list = {1, &arg0};
-
 	dprintk("acpi_cpufreq_cpu_init\n");
 
 	data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);