libpldmresponder: Move host specific code under build flag

Recently added patches have not added the libpldmresponder and host
bmc specific code under the libpldmresponder build flag.

Tested: Not tested yet, need help from IBM contributors to verify
the patch and update this section.

Signed-off-by: Tom Joseph <rushtotom@gmail.com>
Change-Id: I743ccae4d31af887c037a3bd38ec837b942f7efd
diff --git a/libpldmresponder/meson.build b/libpldmresponder/meson.build
index bb45c3b..7d4ae6e 100644
--- a/libpldmresponder/meson.build
+++ b/libpldmresponder/meson.build
@@ -24,6 +24,7 @@
   '../host-bmc/host_pdr_handler.cpp',
   '../host-bmc/dbus_to_event_handler.cpp',
   '../host-bmc/dbus_to_host_effecters.cpp',
+  '../host-bmc/host_condition.cpp',
   'event_parser.cpp'
 ]