ASoC: Fix for v4.7

Fix an unused variable warning in the HDAC code.
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Merge tag 'asoc-v4.7-fix-hdac' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fix for v4.7

Fix an unused variable warning in the HDAC code.

sound/soc/codecs/hdac_hdmi.c

@@ -1718,7 +1718,6 @@ static int hdac_hdmi_runtime_suspend(struct device *dev)
 	struct hdac_ext_device *edev = to_hda_ext_device(dev);
 	struct hdac_device *hdac = &edev->hdac;
 	struct hdac_bus *bus = hdac->bus;
-	unsigned long timeout;
 	struct hdac_ext_bus *ebus = hbus_to_ebus(bus);
 	struct hdac_ext_link *hlink = NULL;
 	int err;