soc/intel/broadwell/pch/acpi/hda.asl: Rename to `audio.asl`

This is merely to ease diffing Lynx Point and Broadwell ASL code.

Tested with BUILD_TIMELESS=1, Google Buddy does not change.

Change-Id: I9f6ab98388d2a2915a48377ebe9e724cfee4b95f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46779
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/broadwell/pch/acpi/pch.asl

@@ -39,7 +39,7 @@ Scope (\)
 }
 
 // High Definition Audio (Azalia) 0:1b.0
-#include "hda.asl"
+#include "audio.asl"
 
 // ADSP/SST 0:13.0
 #include "adsp.asl"