ASoC: msm: Add multichannel support for proxy driver

Add multichannel capture support for proxy driver
to read data from proxy port.

Change-Id: I32e83ead5763eea8e10389208481c6878e99e5b4
Signed-off-by: Phani Kumar Uppalapati <phanik@codeaurora.org>
diff --git a/sound/soc/codecs/msm_stub.c b/sound/soc/codecs/msm_stub.c
index 7e603b4..0143e51 100644
--- a/sound/soc/codecs/msm_stub.c
+++ b/sound/soc/codecs/msm_stub.c
@@ -34,7 +34,7 @@
 		.capture = { /* Support maximum range */
 			.stream_name = "Record",
 			.channels_min = 1,
-			.channels_max = 4,
+			.channels_max = 8,
 			.rates = SNDRV_PCM_RATE_8000_48000,
 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
 		},