[SL-TEMP] Bugfix temporary em req removal (project-chip#43)

* Added the temporary fix to remove ot em1

commit a1b548882d3c5988048ea98b85b6558210181550
Author: lpbeliveau-silabs <louis-philip.beliveau@silabs.com>
Date:   Thu Oct 3 17:48:35 2024 -0400

    Added the line to disable the em1 req from OT

Moved the EM req requirement removal to AppInit

* Added ifdef to ignore fix on gn builds

Author: lpbeliveau-silabs

examples/platform/silabs/MatterConfig.cpp

@@ -79,6 +79,13 @@ static chip::DeviceLayer::Internal::Efr32PsaOperationalKeystore gOperationalKeys
 
 #include <platform/silabs/platformAbstraction/SilabsPlatform.h>
 
+#if CHIP_ENABLE_OPENTHREAD && (SL_MATTER_GN_BUILD == 0)
+// SLC-FIX
+// TODO: Remove the Power Manager include when OT does not add an EM1 req at init
+#define CURRENT_MODULE_NAME "OPENTHREAD"
+#include "sl_power_manager.h"
+#endif
+
 /**********************************************************
  * Defines
  *********************************************************/
@@ -183,6 +190,12 @@ void ApplicationStart(void * unused)
 
 void SilabsMatterConfig::AppInit()
 {
+    #if CHIP_ENABLE_OPENTHREAD && (SL_MATTER_GN_BUILD == 0)
+    // SLC-FIX
+    // TODO: Remove the Power Manager remove req when OT does not add an EM1 req at init
+    sl_power_manager_remove_em_requirement(SL_POWER_MANAGER_EM1);
+    #endif
+
     GetPlatform().Init();
     sMainTaskHandle = osThreadNew(ApplicationStart, nullptr, &kMainTaskAttr);
     SILABS_LOG("Starting scheduler");