ASoC: msm: HDMI PCM 6 channel support

HDMI 1.3 supports Multi channel PCM up to 8 channels with sample
size of 16/20/24 bits and sample rate of 32, 44.1, 48, 96, 176.4,
192K. This patch add supports for 6 channel PCM at 48K sample rate
with sample size of 16 bits.

Change-Id: Id09f1f9d7ef2e2444c8c1b661bfc5b3b4c1e66a6
Signed-off-by: Kiran Kandi <kkandi@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index e3c875b..7037617 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -163,6 +163,7 @@
 extern struct platform_device msm_device_vidc_720p;
 
 extern struct platform_device msm_pcm;
+extern struct platform_device msm_multi_ch_pcm;
 extern struct platform_device msm_pcm_routing;
 extern struct platform_device msm_cpudai0;
 extern struct platform_device msm_cpudai1;