soc: qcom: system_pm: Suppress driver bind/unbind feature

system_pm driver do not support bind/unbind using sysfs.
Set suppress bind attribute to disallow this.

Change-Id: Idde66b569cab3d9370346b8077cc0bb0fd493c9d
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
diff --git a/drivers/soc/qcom/system_pm.c b/drivers/soc/qcom/system_pm.c
index 1befdcf..9ef685b 100644
--- a/drivers/soc/qcom/system_pm.c
+++ b/drivers/soc/qcom/system_pm.c
@@ -106,6 +106,7 @@
 	.probe = sys_pm_probe,
 	.driver = {
 		.name = KBUILD_MODNAME,
+		.suppress_bind_attrs = true,
 		.of_match_table = sys_pm_drv_match,
 	},
 };