phy: qcom: phy-qcom-m31: fix wrong pointer pass to PTR_ERR()

It should be 'qphy->vreg' passed to PTR_ERR() when devm_regulator_get() fails.

Fixes: 08e49af ("phy: qcom: Introduce M31 USB PHY driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Link: https://lore.kernel.org/r/20230824091345.1072650-1-yangyingliang@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: Yang Yingliang

drivers/phy/qualcomm/phy-qcom-m31.c

@@ -256,7 +256,7 @@ static int m31usb_phy_probe(struct platform_device *pdev)
 
 	qphy->vreg = devm_regulator_get(dev, "vdda-phy");
 	if (IS_ERR(qphy->vreg))
-		return dev_err_probe(dev, PTR_ERR(qphy->phy),
+		return dev_err_probe(dev, PTR_ERR(qphy->vreg),
 						"failed to get vreg\n");
 
 	phy_set_drvdata(qphy->phy, qphy);