ALSA: hda - Add tracepoints to HD-audio controller driver

Add a couple of tracepoints to snd-hda-intel for tracing the position
and the trigger timings.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/Makefile

diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index bd4149f..24a2514 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -8,6 +8,7 @@
 
 # for trace-points
 CFLAGS_hda_codec.o := -I$(src)
+CFLAGS_hda_intel.o := -I$(src)
 
 snd-hda-codec-realtek-objs :=	patch_realtek.o
 snd-hda-codec-cmedia-objs :=	patch_cmedia.o