hal: Define max channel count

- Modify the max supported channel count
  to support SSR and HiFi usecase

Change-Id: Ia8b17de6effe3ecede1d08619185fbecea6494f5
diff --git a/hal/Android.mk b/hal/Android.mk
index 89efe54..00f1cc3 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -54,13 +54,13 @@
 endif
 ifneq ($(filter sdm845,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_SDM845
-  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
+  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="8"
   LOCAL_CFLAGS += -DINCALL_MUSIC_ENABLED
   LOCAL_CFLAGS += -DINCALL_STEREO_CAPTURE_ENABLED
 endif
 ifneq ($(filter sdm710,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_SDM710
-  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
+  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="8"
 endif
 ifneq ($(filter qcs605,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_QCS605