mei: normalize timeouts definitions

1. The hardware book defines timeouts in seconds
 so we stick to this and define the wrapper function
 mei_secs_to_jiffies  around  msecs_to_jiffies
 to use be used instead multiplying by HZ

2. We add name space prefix MEI_ to all timer defines

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 5c65bac..248f581 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -269,7 +269,7 @@
 	dev->iamthif_flow_control_pending = false;
 	dev->iamthif_msg_buf_index = 0;
 	dev->iamthif_msg_buf_size = 0;
-	dev->iamthif_stall_timer = IAMTHIF_STALL_TIMER;
+	dev->iamthif_stall_timer = MEI_IAMTHIF_STALL_TIMER;
 	dev->mei_host_buffer_is_empty = mei_hbuf_is_empty(dev);
 	return 0;
 }
@@ -1379,7 +1379,7 @@
 	if (dev->iamthif_timer) {
 
 		timeout = dev->iamthif_timer +
-				msecs_to_jiffies(IAMTHIF_READ_TIMER);
+			mei_secs_to_jiffies(MEI_IAMTHIF_READ_TIMER);
 
 		dev_dbg(&dev->pdev->dev, "dev->iamthif_timer = %ld\n",
 				dev->iamthif_timer);