ACPI / platform: Add ACPI IDs for Intel SST audio device

This adds ACPI IDs for Intel Smart Sound Technology (SST) device found in
Intel Haswell and BayTrail platforms.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 1bde127..ed0f063 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -30,6 +30,9 @@
 
 	{ "PNP0D40" },
 
+	/* Intel Smart Sound Technology */
+	{ "INT33C8" },
+	{ "80860F28" },
 	{ }
 };