hal: msm8998 define max channel count to 8

- Modify the max supported channel count to 8
  to support SSR and HiFi usecase

Change-Id: I7cfa834437a092f59143bb19a11156d88bb0e1bd
diff --git a/hal/Android.mk b/hal/Android.mk
index 5fb3322..569cd3b 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -49,7 +49,7 @@
 endif
 ifneq ($(filter msm8998 apq8098_latv,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_MSM8998
-  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
+  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="8"
   LOCAL_CFLAGS += -DINCALL_MUSIC_ENABLED
 endif
 ifneq ($(filter sdm845,$(TARGET_BOARD_PLATFORM)),)