pci: continued implementation in P2A bridge handler

Continued implementation in P2A bridge handler.  The P2A handler on
configuration read() will return this information now.  The information
is currently hard-coded as 0.

Change-Id: Iafdefcf1f354575fec6ee38c0983b3d40754f6f4
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pci_handler.cpp b/pci_handler.cpp
index 1bcd700..852d846 100644
--- a/pci_handler.cpp
+++ b/pci_handler.cpp
@@ -1,6 +1,7 @@
 #include "pci_handler.hpp"
 
 #include <cstdint>
+#include <cstring>
 #include <vector>
 
 namespace blobs
@@ -26,6 +27,7 @@
 
     std::vector<std::uint8_t> bytes;
     bytes.resize(sizeof(reply));
+    std::memcpy(bytes.data(), &reply, sizeof(reply));
 
     return bytes;
 }