Grouped extern C statements

Author: lpbeliveau-silabs

examples/platform/silabs/BaseApplication.h

@@ -165,8 +165,8 @@ class BaseApplication
     static void UpdateCommissioningStatus(bool newState);
 
     /**
-     * @brief Called when the last Fabric is removed, clears all Fabric related data and Thread  Wifi provision.
-     * @note This function preserves some NVM3 data that is not Fabric scoped like Attribute Value or Boot Count.
+     * @brief Called when the last Fabric is removed, clears all Fabric related data, including Thread and Wifi provision.
+     * @note This function preserves some NVM3 data that is not Fabric scoped, like Attribute Value or Boot Count.
      */
     static void DoProvisioningReset();
 

src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp

@@ -1090,7 +1090,7 @@ CHIP_ERROR GenericThreadStackManagerImpl_OpenThread<ImplClass>::_GetPollPeriod(u
 
 /**
  * @brief Helper that sets callbacks for OpenThread state changes and configures the Thread stack.
- * Assigns mOTInst to and instance and configures the OT stack on a device by setting state change callbacks enabling features
+ * Assigns mOTInst to an instance, and configures the OT stack on a device by setting state change callbacks enabling features
  * for IPv6 address configuration, enabling the Thread network if necessary, and handling SRP if enabled.
  * Allows for the configuration of the Thread stack on a device where the instance and the otCLI are already initialised.
  *

src/platform/silabs/efr32/ThreadStackManagerImpl.cpp

@@ -41,14 +41,11 @@
 
 extern "C" {
 #include "platform-efr32.h"
-}
-
-// Forward declaration
-extern "C" otInstance * otGetInstance(void);
-
+otInstance * otGetInstance(void);
 #if CHIP_DEVICE_CONFIG_THREAD_ENABLE_CLI
-extern "C" void otAppCliInit(otInstance * aInstance);
-#endif
+void otAppCliInit(otInstance * aInstance);
+#endif // CHIP_DEVICE_CONFIG_THREAD_ENABLE_CLI
+}
 
 namespace chip {
 namespace DeviceLayer {

third_party/silabs/efr32_sdk.gni

@@ -916,6 +916,8 @@ template("efr32_sdk") {
       sources += [
         "${efr32_sdk_root}/hardware/driver/configuration_over_swo/src/sl_cos.c",
         "${efr32_sdk_root}/platform/driver/debug/src/sl_debug_swo.c",
+        "${efr32_sdk_root}/util/third_party/mbedtls/library/hmac_drbg.c",
+        "${efr32_sdk_root}/util/third_party/mbedtls/library/psa_crypto_ecp.c",
       ]
     }