[ALSA] Add PCXHR driver

Modules: Documentation,PCI drivers,Digigram PCXHR driver

Add Digigram PCXHR driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/pcxhr/Makefile b/sound/pci/pcxhr/Makefile
new file mode 100644
index 0000000..10473c0
--- /dev/null
+++ b/sound/pci/pcxhr/Makefile
@@ -0,0 +1,2 @@
+snd-pcxhr-objs := pcxhr.o pcxhr_hwdep.o pcxhr_mixer.o pcxhr_core.o
+obj-$(CONFIG_SND_PCXHR) += snd-pcxhr.o