[CPUFREQ] fix cpuinfo_cur_freq for CPU_HW_PSTATE

This fixes the cpuinfo_cur_freq value by using the correct
find_khz_freq_from_fiddid() when the CPU uses hardware p-states.
Signed-off-by: NJoachim Deguara <joachim.deguara@amd.com>
Acked-by: NMark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: NDave Jones <davej@redhat.com>

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

@@ -1289,7 +1289,11 @@ static unsigned int powernowk8_get (unsigned int cpu)
 	if (query_current_values_with_pending_wait(data))
 		goto out;
 
-	khz = find_khz_freq_from_fid(data->currfid);
+	if (cpu_family == CPU_HW_PSTATE)
+		khz = find_khz_freq_from_fiddid(data->currfid, data->currdid);
+	else
+		khz = find_khz_freq_from_fid(data->currfid);
+
 
 out:
 	set_cpus_allowed(current, oldmask);