clk: clk-xgene: Delete error messages for failed memory allocations

Omit extra messages for a memory allocation failure in these
functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c
index 4c75821..3cc84a6 100644
--- a/drivers/clk/clk-xgene.c
+++ b/drivers/clk/clk-xgene.c
@@ -146,10 +146,8 @@
 
 	/* allocate the APM clock structure */
 	apmclk = kzalloc(sizeof(*apmclk), GFP_KERNEL);
-	if (!apmclk) {
-		pr_err("%s: could not allocate APM clk\n", __func__);
+	if (!apmclk)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	init.name = name;
 	init.ops = &xgene_clk_pll_ops;
@@ -650,10 +648,8 @@
 
 	/* allocate the APM clock structure */
 	apmclk = kzalloc(sizeof(*apmclk), GFP_KERNEL);
-	if (!apmclk) {
-		pr_err("%s: could not allocate APM clk\n", __func__);
+	if (!apmclk)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	init.name = name;
 	init.ops = &xgene_clk_ops;