phy: qcom: qmp-usbc: Simplify check for non-NULL pointer

Pointers should not use explicit '0' comparison, so just use standard
evaluation as non-NULL:

  phy-qcom-qmp-usbc.c:1682:31: warning: Using plain integer as NULL pointer

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20260216110413.159994-6-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: krzk

drivers/phy/qualcomm/phy-qcom-qmp-usbc.c

@@ -1679,7 +1679,7 @@ static int qmp_usbc_register_clocks(struct qmp_usbc *qmp, struct device_node *np
 	if (ret)
 		return ret;
 
-	if (qmp->dp_serdes != 0) {
+	if (qmp->dp_serdes) {
 		ret = phy_dp_clks_register(qmp, np);
 		if (ret)
 			return ret;
@@ -1833,7 +1833,7 @@ static int qmp_usbc_parse_dt(struct qmp_usbc *qmp)
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-	if (offs->dp_serdes != 0) {
+	if (offs->dp_serdes) {
 		qmp->dp_serdes = base + offs->dp_serdes;
 		qmp->dp_tx = base + offs->dp_txa;
 		qmp->dp_tx2 = base + offs->dp_txb;
@@ -1982,7 +1982,7 @@ static int qmp_usbc_probe(struct platform_device *pdev)
 
 	phy_set_drvdata(qmp->usb_phy, qmp);
 
-	if (qmp->dp_serdes != 0) {
+	if (qmp->dp_serdes) {
 		qmp->dp_phy = devm_phy_create(dev, np, &qmp_usbc_dp_phy_ops);
 		if (IS_ERR(qmp->dp_phy)) {
 			ret = PTR_ERR(qmp->dp_phy);