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/meson.build b/libpldmresponder/meson.build
index 8231630..a4a8b67 100644
--- a/libpldmresponder/meson.build
+++ b/libpldmresponder/meson.build
@@ -20,7 +20,7 @@
   'platform.cpp',
   'fru_parser.cpp',
   'fru.cpp',
-  '../host_pdr_handler.cpp',
+  '../host-bmc/host_pdr_handler.cpp',
   'event_parser.cpp'
 ]