teckpack: disp: pll: Improve logging for 10nm dsi pll

Avoid warning of slave pll unavailable for chipsets
not having slave pll.

Change-Id: Id32af235f2fbefa4869b5c8236436e8e6ed84d60
Signed-off-by: Ritesh Kumar <riteshk@codeaurora.org>

pll/dsi_pll_10nm.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
  */
 
 #define pr_fmt(fmt)	"%s: " fmt, __func__
@@ -387,7 +387,7 @@ static void dsi_pll_config_slave(struct mdss_pll_resources *rsc)
 	rsc->slave = NULL;
 
 	if (!orsc) {
-		pr_warn("slave PLL unavilable, assuming standalone config\n");
+		pr_debug("slave PLL unavilable, assuming standalone config\n");
 		return;
 	}