configs: RB3Gen2: add support for dual mic on RB3Gen2 platform.

- update dual mic mixerpath to support record usecase.

Change-Id: I8ad70dc8876133086c9e4ecf4921a08537fdf145

configs/lahaina/yupik_overlay/mixer_paths_yupikidprb3_overlay.xml

@@ -67,9 +67,9 @@
     <path name="handset-dmic-endfire">
         <ctl name="TX_CDC_DMA_TX_3 Channels" value="Two"/>
         <ctl name="TX_AIF1_CAP Mixer DEC1" value="1"/>
-        <ctl name="TX DMIC MUX1" value="DMIC0"/>
+        <ctl name="TX DMIC MUX1" value="DMIC2"/>
         <ctl name="TX_AIF1_CAP Mixer DEC2" value="1"/>
-        <ctl name="TX DMIC MUX2" value="DMIC1"/>
+        <ctl name="TX DMIC MUX2" value="DMIC3"/>
     </path>
     <path name="speaker-dmic-endfire">
         <ctl name="TX_CDC_DMA_TX_3 Channels" value="Two"/>