msm: kgsl: Count a percentage of _io time

Count different percentages based upon GPU frequency.

Change-Id: Ia579f6705ff9858263f507bd4f3ba0f84b772554
Signed-off-by: Lucille Sylvester <lsylvest@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices-8960.c b/arch/arm/mach-msm/devices-8960.c
index 2d2f104..b737b116 100644
--- a/arch/arm/mach-msm/devices-8960.c
+++ b/arch/arm/mach-msm/devices-8960.c
@@ -1969,18 +1969,22 @@
 			{
 				.gpu_freq = 400000000,
 				.bus_freq = 4,
+				.io_fraction = 0,
 			},
 			{
 				.gpu_freq = 300000000,
 				.bus_freq = 3,
+				.io_fraction = 33,
 			},
 			{
 				.gpu_freq = 200000000,
 				.bus_freq = 2,
+				.io_fraction = 100,
 			},
 			{
 				.gpu_freq = 128000000,
 				.bus_freq = 1,
+				.io_fraction = 100,
 			},
 			{
 				.gpu_freq = 27000000,