ARM: OMAP4: CPUidle: Make C-state description field more precise

It is useful to know the CPU power state along with MPUSS power state
in a supported C-state. Since the data is available via sysfs, one can
avoid scrolling the source code for precise construction of C-state.
Reported-by: NNishanth Menon <nm@ti.com>
Acked-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: NKevin Hilman <khilman@linaro.org>

arch/arm/mach-omap2/cpuidle44xx.c

@@ -171,7 +171,7 @@ static struct cpuidle_driver omap4_idle_driver = {
 			.flags = CPUIDLE_FLAG_TIME_VALID,
 			.enter = omap4_enter_idle_simple,
 			.name = "C1",
-			.desc = "MPUSS ON"
+			.desc = "CPUx ON, MPUSS ON"
 		},
 		{
 			/* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */
@@ -181,7 +181,7 @@ static struct cpuidle_driver omap4_idle_driver = {
 			         CPUIDLE_FLAG_TIMER_STOP,
 			.enter = omap4_enter_idle_coupled,
 			.name = "C2",
-			.desc = "MPUSS CSWR",
+			.desc = "CPUx OFF, MPUSS CSWR",
 		},
 		{
 			/* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */
@@ -191,7 +191,7 @@ static struct cpuidle_driver omap4_idle_driver = {
 			         CPUIDLE_FLAG_TIMER_STOP,
 			.enter = omap4_enter_idle_coupled,
 			.name = "C3",
-			.desc = "MPUSS OSWR",
+			.desc = "CPUx OFF, MPUSS OSWR",
 		},
 	},
 	.state_count = ARRAY_SIZE(omap4_idle_data),