Add rail assert error codes header back

Author: mkardous-silabs

src/platform/silabs/Logging.cpp

@@ -15,6 +15,10 @@
 #include <stdio.h>
 #include <string.h>
 
+#ifdef RAIL_ASSERT_DEBUG_STRING
+#include "rail_assert_error_codes.h"
+#endif // RAIL_ASSERT_DEBUG_STRING
+
 #ifdef PW_RPC_ENABLED
 #include "PigweedLogger.h"
 #endif