lpc_handler: add missing TODO

Add missing TODO directing future behavior of stat against the lpc data
handler.

Change-Id: I15196af6dae5f1ea722a86f3889e777495246f24
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/lpc_handler.cpp b/lpc_handler.cpp
index 32acf1d..17aa993 100644
--- a/lpc_handler.cpp
+++ b/lpc_handler.cpp
@@ -88,6 +88,9 @@
 
 std::vector<std::uint8_t> LpcDataHandler::readMeta()
 {
+    /* TODO: Implement this call, s.t. with lpc_aspeed or whatever, you can
+     * validate the region.
+     */
     return {};
 }