usb: dwc3: qcom: switch dev_dbg() to dev_info()

those two messages are informing that the clock
doesn't exist; that, however, is a valid situation
and driver continues just fine by ignoring the error.
Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/dwc3-qcom.c

@@ -48,13 +48,13 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 
 	qdwc->iface_clk = devm_clk_get(qdwc->dev, "iface");
 	if (IS_ERR(qdwc->iface_clk)) {
-		dev_dbg(qdwc->dev, "failed to get optional iface clock\n");
+		dev_info(qdwc->dev, "failed to get optional iface clock\n");
 		qdwc->iface_clk = NULL;
 	}
 
 	qdwc->sleep_clk = devm_clk_get(qdwc->dev, "sleep");
 	if (IS_ERR(qdwc->sleep_clk)) {
-		dev_dbg(qdwc->dev, "failed to get optional sleep clock\n");
+		dev_info(qdwc->dev, "failed to get optional sleep clock\n");
 		qdwc->sleep_clk = NULL;
 	}