Merge pull request #3508 from marcelverdult/fix/rak11310-attach-dynamic-prefs

Fix RAK11310 build: add no-op attachDynamicPrefs()

variants/rak11310/RAK11310Board.h

@@ -2,6 +2,7 @@
 
 #include <Arduino.h>
 #include <MeshCore.h>
+#include <helpers/KeyValueStore.h>
 
 // from https://github.com/RAKWireless/RAK11300-AT-Command-Firmware/blob/9c48409a43620a828d653501d536473200aa33af/RAK11300-AT-Arduino/batt.cpp#L17-L19
 #define VBAT_MV_PER_LSB (0.806F)   // 3.0V ADC range and 12 - bit ADC resolution = 3300mV / 4096
@@ -46,4 +47,6 @@ public:
   void reboot() override { rp2040.reboot(); }
 
   bool startOTAUpdate(const char *id, char reply[]) override;
+
+  void attachDynamicPrefs(KeyValueStore* prefs) { }  // no-op
 };