mixer_paths: Increase mic gain

The mic gain was too low and was causing home screen hotwording to fail
regularly.  Increase it to 24dB of gain to match the DSP hotwording
path.

Change-Id: I1a9c6c25905a1b33c1bd319f7c9e6c59d50ff3df
Signed-off-by: Dylan Reid <dgreid@chromium.org>
diff --git a/mixer_paths_0.xml b/mixer_paths_0.xml
index c338d3a..3194c82 100644
--- a/mixer_paths_0.xml
+++ b/mixer_paths_0.xml
@@ -6,8 +6,8 @@
 
   <ctl name="Sidetone Volume" value="0"/>
   <ctl name="DAC1 Playback Volume" value="87"/>
-  <ctl name="STO1 ADC Boost Volume" value="1"/>
-  <ctl name="STO2 ADC Boost Volume" value="1"/>
+  <ctl name="STO1 ADC Boost Volume" value="2"/>
+  <ctl name="STO2 ADC Boost Volume" value="2"/>
   <ctl name="STO3 ADC Boost Volume" value="0"/>
   <ctl name="Mono ADC Boost Volume" value="2"/>
   <ctl name="ADC1 Capture Volume" value="23"/>
@@ -111,7 +111,7 @@
 
   <path name="voice-rec-mic">
       <path name="speaker-mic" />
-      <ctl name="STO1 ADC Boost Volume" value="0"/>
+      <ctl name="STO1 ADC Boost Volume" value="2"/>
       <ctl name="ADC1 Capture Volume" value="31"/>
   </path>