Bring in the sdbus-cpp bindings

Change-Id: I236383738b041798fc7790ed06283dd6f633e6f1
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index d1d39a9..b28909b 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -60,6 +60,7 @@
 BR2_PACKAGE_DDRESCUE=y
 BR2_PACKAGE_RAUC=y
 BR2_PACKAGE_RAUC_NETWORK=y
+BR2_PACKAGE_SDBUS_CPP=y # TODO: remove me
 BR2_PACKAGE_SYSTEMD_JOURNAL_GATEWAY=y
 BR2_PACKAGE_SYSTEMD_JOURNAL_REMOTE=y
 # BR2_PACKAGE_SYSTEMD_HWDB is not set