Board (Apple): use machine model indentifier as motherboard name

src/detection/board/board_apple.c

@@ -0,0 +1,13 @@
+#include "board.h"
+
+#include "common/sysctl.h"
+
+const char* ffDetectBoard(FFBoardResult* result)
+{
+    const char* error = ffSysctlGetString("hw.model", &result->name);
+    if (error)
+        return error;
+
+    ffStrbufSetStatic(&result->vendor, "Apple");
+    return NULL;
+}