serial_bcm283x_mu: Always skip init

The serial initialization doesn't always quite work for me, so let's
always skip it for now. We know that firmware on the RPi initializes
us properly already.
Signed-off-by: NAlexander Graf <agraf@suse.de>

drivers/serial/serial_bcm283x_mu.c

@@ -147,7 +147,12 @@ static int bcm283x_mu_serial_ofdata_to_platdata(struct udevice *dev)
 
 	plat->base = addr;
 	plat->clock = dev_read_u32_default(dev, "clock", 1);
-	plat->skip_init = dev_read_bool(dev, "skip-init");
+
+	/*
+	 * TODO: Reinitialization doesn't always work for now, just skip
+	 *       init always - we know we're already initialized
+	 */
+	plat->skip_init = true;
 
 	return 0;
 }