ASoC: ti: davinci-mcasp: Remove unnecessary conditional

Instead of double validating of_node, return value of
the boolean property directly.

We can't remove ifdeffery, because in OF_GPIO=n cases
it might bring unwanted surprises.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20211202205612.76216-2-andriy.shevchenko@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/ti/davinci-mcasp.c

@@ -1870,12 +1870,10 @@ static int mcasp_reparent_fck(struct platform_device *pdev)
 static bool davinci_mcasp_have_gpiochip(struct davinci_mcasp *mcasp)
 {
 #ifdef CONFIG_OF_GPIO
-	if (mcasp->dev->of_node &&
-	    of_property_read_bool(mcasp->dev->of_node, "gpio-controller"))
-		return true;
-#endif
-
+	return of_property_read_bool(mcasp->dev->of_node, "gpio-controller");
+#else
 	return false;
+#endif
 }
 
 static int davinci_mcasp_get_config(struct davinci_mcasp *mcasp,