Fixed a typo in init.storage.rc

"sys" -> "dev"

Change-Id: Ie7103a668cab027fb339762a7f4761b776b431f9
Signed-off-by: Daniel Lee <chullee@google.com>
diff --git a/storage/init.storage.rc b/storage/init.storage.rc
index e0ab920..71fce43 100644
--- a/storage/init.storage.rc
+++ b/storage/init.storage.rc
@@ -29,7 +29,7 @@
 
     # Block
     write /dev/sys/block/by-name/rootdisk/queue/iostats 0
-    write /sys/sys/block/by-name/rootdisk/queue/nr_requests 256
+    write /dev/sys/block/by-name/rootdisk/queue/nr_requests 256
 
     # UFS
     write /dev/sys/block/bootdevice/clkgate_enable 0