pwm: omap-dmtimer: Use of_property_read_bool()

Use of_property_read_bool() to read boolean properties rather than
of_get_property(). This is part of a larger effort to remove callers
of of_get_property() and similar functions. of_get_property() leaks
the DT property data pointer which is a problem for dynamically
allocated nodes which may be freed.

Signed-off-by: Rob Herring (Arm) <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Uwe Kleine-König <[e-mail]>

drivers/pwm/pwm-omap-dmtimer.c

···
 		goto err_platdata;
 	}
 
-	if (!of_get_property(timer, "ti,timer-pwm", NULL)) {
+	if (!of_property_read_bool(timer, "ti,timer-pwm")) {
 		dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n");
 		ret = -ENODEV;
 		goto err_timer_property;