hal: set proper bitwidth and format values

Set bitwidth as per the value in offloadInfo and
define the values of audio formats to be consistent
with those in audio.h.

Change-Id: I49a3355eb51a4ba2fdcef0e68482ee5078e7798a
diff --git a/hal/audio_extn/utils.c b/hal/audio_extn/utils.c
index e65dd7c..a2b644e 100644
--- a/hal/audio_extn/utils.c
+++ b/hal/audio_extn/utils.c
@@ -81,7 +81,7 @@
     STRING_TO_ENUM(AUDIO_FORMAT_AMR_WB),
     STRING_TO_ENUM(AUDIO_FORMAT_AC3),
     STRING_TO_ENUM(AUDIO_FORMAT_E_AC3),
-#ifdef FORMATS_ENABLED
+#ifdef AUDIO_EXTN_FORMATS_ENABLED
     STRING_TO_ENUM(AUDIO_FORMAT_DTS),
     STRING_TO_ENUM(AUDIO_FORMAT_DTS_LBR),
     STRING_TO_ENUM(AUDIO_FORMAT_WMA),