crypto: ccree - Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/ccree/cc_driver.c

@@ -300,11 +300,8 @@ static int init_cc_resources(struct platform_device *plat_dev)
 	new_drvdata->plat_dev = plat_dev;
 
 	clk = devm_clk_get_optional(dev, NULL);
-	if (IS_ERR(clk)) {
-		if (PTR_ERR(clk) != -EPROBE_DEFER)
-			dev_err(dev, "Error getting clock: %pe\n", clk);
-		return PTR_ERR(clk);
-	}
+	if (IS_ERR(clk))
+		return dev_err_probe(dev, PTR_ERR(clk), "Error getting clock\n");
 	new_drvdata->clk = clk;
 
 	new_drvdata->coherent = of_dma_is_coherent(np);