PCM: Fix prefix for snd_pcm_chmap_type enum members
PCM: Fix prefix for snd_pcm_chmap_type enum members

Add _TYPE prefix to distinguish from the channel position.
Also add SND_CHMAP_TYPE_LAST entry pointing the last one like other
enums.

Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

lgirdwood/alsa-lib,zedongchen/alsa-lib,mengdonglin/alsa-lib,tiwai/alsa-lib,zedongchen/alsa-lib,takaswie/alsa-lib,lgirdwood/alsa-lib,mengdonglin/alsa-lib,takaswie/alsa-lib,mengdonglin/alsa-lib,takaswie/alsa-lib,Distrotech/alsa-lib,Distrotech/alsa-lib,mikelima/alsa-lib,mengdonglin/alsa-lib,mengdonglin/alsa-lib,Distrotech/alsa-lib,alsa-project/alsa-lib,mikelima/alsa-lib,alsa-project/alsa-lib,alsa-project/alsa-lib,Distrotech/alsa-lib,lgirdwood/alsa-lib,mikelima/alsa-lib,takaswie/alsa-lib,zedongchen/alsa-lib,tiwai/alsa-lib,alsa-project/alsa-lib,lgirdwood/alsa-lib,takaswie/alsa-lib,Distrotech/alsa-lib,tiwai/alsa-lib,zedongchen/alsa-lib,zedongchen/alsa-lib,mikelima/alsa-lib,tiwai/alsa-lib,mikelima/alsa-lib,lgirdwood/alsa-lib