usb: dwc3: imx8mp: Fix smatch warning

dwc3_imx8mp_pm_resume() warn: 'dwc3_imx->suspend_clk'
from clk_prepare_enable() not released
Signed-off-by: Himanshu Bhavani <himanshu.bhavani@siliconsignals.io>

Link: https://lore.kernel.org/r/20231215143458.158810-1-himanshu.bhavani@siliconsignals.ioSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc3/dwc3-imx8mp.c

@@ -363,8 +363,10 @@ static int __maybe_unused dwc3_imx8mp_pm_resume(struct device *dev)
 	}
 
 	ret = clk_prepare_enable(dwc3_imx->hsio_clk);
-	if (ret)
+	if (ret) {
+		clk_disable_unprepare(dwc3_imx->suspend_clk);
 		return ret;
+	}
 
 	ret = dwc3_imx8mp_resume(dwc3_imx, PMSG_RESUME);