ALSA: DocBook: Add soc-ops.c and soc-compress.c

These have been missing in the template file although they provide
good kernel doc comments.  Let's add them.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Documentation/DocBook/alsa-driver-api.tmpl

@@ -112,6 +112,8 @@
 !Esound/soc/soc-devres.c
 !Esound/soc/soc-io.c
 !Esound/soc/soc-pcm.c
+!Esound/soc/soc-ops.c
+!Esound/soc/soc-compress.c
      </sect1>
      <sect1><title>ASoC DAPM API</title>
 !Esound/soc/soc-dapm.c