m1s1: Wifi: Replace config_wifi_dual_band_support

As part of the 6GHz band support, there is now more than 2 bands and
hence config_wifi_dual_band_support is misleading.
This commit replaces this config with config_wifi5ghzSupport which is
more reflecting to the device support check.

Bug: 145936758
Bug: 139354972
Test: Builds and Wifi runs successfully.
Change-Id: I6a1a18965b8020049f9b395ae97b6d84e4f5ae94

rro_overlays/WifiOverlay/res/values/config.xml

@@ -17,8 +17,8 @@
      entries do not follow the convention, but all new entries should. -->
 
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <!-- Boolean indicating whether the wifi chipset has dual frequency band support -->
-    <bool translatable="false" name="config_wifi_dual_band_support">true</bool>
+    <!-- Boolean indicating whether the wifi chipset has 5GHz frequency band support -->
+    <bool translatable="false" name="config_wifi5ghzSupport">true</bool>
 
     <!-- Boolean indicating whether 802.11r Fast BSS Transition is enabled on this platform -->
     <bool translatable="false" name="config_wifi_fast_bss_transition_enabled">true</bool>