ASoC: hisilicon: Use IS_ERR() instead of IS_ERR_OR_NULL()

In the function hi6210_i2s_probe(), devm_clk_get() doesn't return NULL.
Thus use IS_ERR() to validate the return value instead of IS_ERR_OR_NULL().
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20200427091145.4268-1-tangbin@cmss.chinamobile.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/hisilicon/hi6210-i2s.c

@@ -570,12 +570,12 @@ static int hi6210_i2s_probe(struct platform_device *pdev)
 		return PTR_ERR(i2s->sysctrl);
 
 	i2s->clk[CLK_DACODEC] = devm_clk_get(&pdev->dev, "dacodec");
-	if (IS_ERR_OR_NULL(i2s->clk[CLK_DACODEC]))
+	if (IS_ERR(i2s->clk[CLK_DACODEC]))
 		return PTR_ERR(i2s->clk[CLK_DACODEC]);
 	i2s->clocks++;
 
 	i2s->clk[CLK_I2S_BASE] = devm_clk_get(&pdev->dev, "i2s-base");
-	if (IS_ERR_OR_NULL(i2s->clk[CLK_I2S_BASE]))
+	if (IS_ERR(i2s->clk[CLK_I2S_BASE]))
 		return PTR_ERR(i2s->clk[CLK_I2S_BASE]);
 	i2s->clocks++;