msm: kgsl: Make idlestats pwrscale policy default for 7x27A

Idlestats powerscale policy is required for userspace GPU DCVS.
This change sets it as default, so that the GPU DCVS daemon can
be started without having to set it first.

Change-Id: Ia280c9f685262b2848f1b85d74876f15a2e6ad6f
Signed-off-by: Lynus Vaz <lvaz@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno.h b/drivers/gpu/msm/adreno.h
index b7e0e57..e08088d 100644
--- a/drivers/gpu/msm/adreno.h
+++ b/drivers/gpu/msm/adreno.h
@@ -35,6 +35,8 @@
 
 #ifdef CONFIG_MSM_SCM
 #define ADRENO_DEFAULT_PWRSCALE_POLICY  (&kgsl_pwrscale_policy_tz)
+#elif defined CONFIG_MSM_SLEEP_STATS_DEVICE
+#define ADRENO_DEFAULT_PWRSCALE_POLICY  (&kgsl_pwrscale_policy_idlestats)
 #else
 #define ADRENO_DEFAULT_PWRSCALE_POLICY  NULL
 #endif