Configure platform msm8960

Configure HAL build for msm8960.
Fix typo in HAL error message on channel count.
Add default value for max number of channels.

Bug 24758771

Change-Id: I6942fbc01012c272abb0fbed312e92958ebceb87
diff --git a/hal/Android.mk b/hal/Android.mk
index 48d4349..549d2f9 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -7,6 +7,9 @@
 LOCAL_ARM_MODE := arm
 
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
+ifneq ($(filter msm8960,$(TARGET_BOARD_PLATFORM)),)
+  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="2"
+endif
 ifneq ($(filter msm8974 msm8226 msm8084 msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM = msm8974