clk: clk-mux: Delete an error message for a failed memory allocation

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
[sboyd@codeaurora.org: Cleanup commit text]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/clk-mux.c

@@ -135,10 +135,8 @@ struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name,
 
 	/* allocate the mux */
 	mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL);
-	if (!mux) {
-		pr_err("%s: could not allocate mux clk\n", __func__);
+	if (!mux)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	init.name = name;
 	if (clk_mux_flags & CLK_MUX_READ_ONLY)