soc: qcom: rq_stats: add snapshot of run queue stats driver

Add a snapshot of msm_rq_stats driver as of msm-4.4 commit
<c605e110ab186049> (Merge "usb: gadget: composite: Return bcdUSB
 0x0310 for Superspeed and higher").

Change-Id: I723310d12616f61598b2815e5ed3024418966ecc
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 5d401ba..48d6faa 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -10,6 +10,14 @@
 	  the entities if corruption is suspected.
 	  If unsure, say N
 
+config QCOM_RUN_QUEUE_STATS
+       bool "Enable collection and exporting of QTI Run Queue stats to userspace"
+       help
+        This option enables the driver to periodically collecting the statistics
+        of kernel run queue information and calculate the load of the system.
+        This information is exported to usespace via sysfs entries and userspace
+        algorithms uses info and decide when to turn on/off the cpu cores.
+
 config QCOM_GSBI
         tristate "QCOM General Serial Bus Interface"
         depends on ARCH_QCOM