platform: msm_shared: reduce retry count for tuning

recommended delay for cmd13 is 0.824us but some devices require
additional delay.Right now delay is 1ms which can be reduced further
to 50us.

Change-Id: I2e0f06391cbbcfcc4e6de30062fd02a7f2f18556
diff --git a/platform/msm_shared/sdhci_msm.c b/platform/msm_shared/sdhci_msm.c
index eaeb744..5bcbc40 100644
--- a/platform/msm_shared/sdhci_msm.c
+++ b/platform/msm_shared/sdhci_msm.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -778,7 +778,7 @@
 		if(err)
 		{
 
-			sts_retry = 100;
+			sts_retry = 5;
 			sts_cmd.cmd_index = CMD13_SEND_STATUS;
 			sts_cmd.argument = card->rca << 16;
 			sts_cmd.cmd_type = SDHCI_CMD_TYPE_NORMAL;