Add NUGGET_PARAM_GET_LOW_POWER_STATS command

This is just a placeholder for now, until we determine what
parameters it should return.

Change-Id: I8adb111519328704d616200193e14993db318fdf
Signed-off-by: Bill Richardson <wfrichar@google.com>
diff --git a/nugget/include/app_nugget.h b/nugget/include/app_nugget.h
index f8245bf..eb976d4 100644
--- a/nugget/include/app_nugget.h
+++ b/nugget/include/app_nugget.h
@@ -172,6 +172,19 @@
  */
 
 /****************************************************************************/
+/* Power HAL */
+
+#define NUGGET_PARAM_GET_LOW_POWER_STATS 0x200
+/*
+ * Get the number of cycles since boot
+ *
+ * @param args         <none>
+ * @param arg_len      0
+ * @param reply        TODO(b/70510004): Return meaningful values
+ * @param reply_len    0 for now
+ */
+
+/****************************************************************************/
 /* These are bringup / debug functions only.
  *
  * TODO(b/65067435): Remove all of these.