ARM: S3C: CPUFREQ: Add debugfs support for cpufreq

Add debugfs support for the cpufreq driver to allow
information about the system state to be exported to
the user.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2412/cpu-freq.c b/arch/arm/mach-s3c2412/cpu-freq.c
index 21a6617..eb3ea17 100644
--- a/arch/arm/mach-s3c2412/cpu-freq.c
+++ b/arch/arm/mach-s3c2412/cpu-freq.c
@@ -190,6 +190,8 @@
 	.get_iotiming	= s3c2412_iotiming_get,
 
 	.resume_clocks	= s3c2412_setup_clocks,
+
+	.debug_io_show  = s3c_cpufreq_debugfs_call(s3c2412_iotiming_debugfs),
 };
 
 static int s3c2412_cpufreq_add(struct sys_device *sysdev)