host-bmc: code re-org

Move code specific to Host BMC PLDM communication into its own
directory.

Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Change-Id: I0a88874bdccfe6cd71099ff41b8b5c654915316d
diff --git a/libpldmresponder/platform.hpp b/libpldmresponder/platform.hpp
index 10d0b27..ccd3ddf 100644
--- a/libpldmresponder/platform.hpp
+++ b/libpldmresponder/platform.hpp
@@ -7,7 +7,7 @@
 
 #include "event_parser.hpp"
 #include "handler.hpp"
-#include "host_pdr_handler.hpp"
+#include "host-bmc/host_pdr_handler.hpp"
 #include "libpldmresponder/pdr.hpp"
 #include "libpldmresponder/pdr_utils.hpp"
 #include "utils.hpp"