build: imply --enable-bindings-glib for --enable-dbus

build: imply --enable-bindings-glib for --enable-dbus

GLib bindings are required to build the D-Bus daemon. Enable them
automatically if --enable-dbus is passed to configure.

Fixes: a5ab76da1e0a ("dbus: add the D-Bus daemon, command-line client and tests")
Reported-by: Douglas Silva <doug.hs@proton.me>
Suggested-by: Kent Gibson <warthog618@gmail.com>
Tested-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20240904140127.58667-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>