ASoC: Intel: boards: reset acpi_chan_package

cppcheck complains about possible tests of uninitialized 'aif_value'
members. This isn't really possible but static analysis cannot know
what ACPICA does, so make sure the acpi_chan_package structure is
reset prior to use to make the warning go away.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Author: plbossart

sound/soc/intel/boards/bytcr_rt5640.c

@@ -1634,7 +1634,7 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 		 * with the codec driver/pdata are non-existent
 		 */
 
-		struct acpi_chan_package chan_package;
+		struct acpi_chan_package chan_package = { 0 };
 
 		/* format specified: 2 64-bit integers */
 		struct acpi_buffer format = {sizeof("NN"), "NN"};

sound/soc/intel/boards/bytcr_rt5651.c

@@ -952,7 +952,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 		 * with the codec driver/pdata are non-existent
 		 */
 
-		struct acpi_chan_package chan_package;
+		struct acpi_chan_package chan_package = { 0 };
 
 		/* format specified: 2 64-bit integers */
 		struct acpi_buffer format = {sizeof("NN"), "NN"};

sound/soc/intel/boards/cht_bsw_rt5645.c

@@ -603,7 +603,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 		 * with the codec driver/pdata are non-existent
 		 */
 
-		struct acpi_chan_package chan_package;
+		struct acpi_chan_package chan_package = { 0 };
 
 		/* format specified: 2 64-bit integers */
 		struct acpi_buffer format = {sizeof("NN"), "NN"};