audio: Fix Audio Record issue.

-Audio record is not working as max supported channel count is
 not specified for lito target, default channel count 1 is used
 as supported channels.
-Define max channel count to 4.

Change-Id: I001b51d595f3fa93c3ce0b85978d5148551f5179
diff --git a/hal/Android.mk b/hal/Android.mk
index 383a272..b446669 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -85,6 +85,7 @@
 endif
 ifneq ($(filter lito,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_LITO
+  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
 endif
 ifneq ($(filter sdm660,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_MSMFALCON