configs: lito: add sound models merge feature flag

Update sound trigger platform xml with a feature flag to support
merging of SVA first stage sound models and disable it by default.
Also remove redundant library param.

Change-Id: Ife9bbaeb5dcf61b996e47f75609160abd56a7014
diff --git a/configs/lito/sound_trigger_platform_info.xml b/configs/lito/sound_trigger_platform_info.xml
index 4f1aa6f..f68cab9 100644
--- a/configs/lito/sound_trigger_platform_info.xml
+++ b/configs/lito/sound_trigger_platform_info.xml
@@ -71,7 +71,7 @@
     <sound_model_config>
         <param vendor_uuid="68ab2d40-e860-11e3-95ef-0002a5d5c51b" />
         <param execution_type="ADSP" />
-        <param library="libsmwrapper.so" />
+        <param merge_first_stage_sound_models="false" />
         <param max_ape_phrases="20" />
         <param max_ape_users="10" />
         <!-- Profile specific data which the algorithm can support -->
@@ -149,7 +149,6 @@
     <sound_model_config>
         <param vendor_uuid="876c1b46-9d4d-40cc-a4fd-4d5ec7a80e47" />
         <param execution_type="ADSP" />
-        <param library="libsmwrapper.so" />
         <param max_ape_phrases="1" />
         <param max_ape_users="1" />
         <!-- Profile specific data which the algorithm can support -->
@@ -204,7 +203,6 @@
     <sound_model_config>
         <param vendor_uuid="7038ddc8-30f2-11e6-b0ac-40a8f03d3f15" />
         <param execution_type="ADSP" />
-        <param library="none" />
         <param max_ape_phrases="1" />
         <param max_ape_users="1" />
         <!-- Profile specific data which the algorithm can support -->
@@ -257,7 +255,6 @@
     <sound_model_config>
         <param vendor_uuid="9f6ad62a-1f0b-11e7-87c5-40a8f03d3f15" />
         <param execution_type="ADSP" />
-        <param library="none" />
         <param max_ape_phrases="1" />
         <param max_ape_users="1" />
         <!-- Profile specific data which the algorithm can support -->