spi: pxa2xx: Remove the unneeded result variable

Return the value clk_prepare_enable() directly instead of storing it in
another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/20220825072828.229294-1-ye.xingchen@zte.com.cnSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-pxa2xx.c

@@ -1873,10 +1873,8 @@ static int pxa2xx_spi_runtime_suspend(struct device *dev)
 static int pxa2xx_spi_runtime_resume(struct device *dev)
 {
 	struct driver_data *drv_data = dev_get_drvdata(dev);
-	int status;
 
-	status = clk_prepare_enable(drv_data->ssp->clk);
-	return status;
+	return clk_prepare_enable(drv_data->ssp->clk);
 }
 #endif