fpga: xilinx-pr-decoupler: Remove clk_get error message for probe defer

In probe, the driver checks for devm_clk_get return and print error
message in the failing case. However for -EPROBE_DEFER this message
is confusing so avoid it.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>

drivers/fpga/xilinx-pr-decoupler.c

@@ -101,6 +101,7 @@ static int xlnx_pr_decoupler_probe(struct platform_device *pdev)
 
 	priv->clk = devm_clk_get(&pdev->dev, "aclk");
 	if (IS_ERR(priv->clk)) {
+		if (PTR_ERR(priv->clk) != -EPROBE_DEFER)
 			dev_err(&pdev->dev, "input clock not found\n");
 		return PTR_ERR(priv->clk);
 	}