[CPUFREQ] Use the unified cpufreq debug infrastructure in the powernow-k8 driver.

Modified existing dprintks.
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>

arch/i386/kernel/cpu/cpufreq/powernow-k8.h

@@ -168,11 +168,7 @@ struct pst_s {
 	u8 vid;
 };
 
-#ifdef DEBUG
-#define dprintk(msg...) printk(msg)
-#else
-#define dprintk(msg...) do { } while(0)
-#endif
+#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "powernow-k8", msg)
 
 static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid);
 static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvid);