[CPUFREQ] kzalloc conversions for i386 drivers.

Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index c397b62..92936c1 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -422,12 +422,11 @@
 		}
 	}
 
-	centrino_model[cpu] = kmalloc(sizeof(struct cpu_model), GFP_KERNEL);
+	centrino_model[cpu] = kzalloc(sizeof(struct cpu_model), GFP_KERNEL);
 	if (!centrino_model[cpu]) {
 		result = -ENOMEM;
 		goto err_unreg;
 	}
-	memset(centrino_model[cpu], 0, sizeof(struct cpu_model));
 
 	centrino_model[cpu]->model_name=NULL;
 	centrino_model[cpu]->max_freq = p.states[0].core_frequency * 1000;