Add various packages and patches for build system improvements

- Introduced valgrind with a patch to respect flags and updated its configuration.
- Added Vulkan ICD loader with CMake build configuration.
- Implemented Waf build system with a custom build script and configuration.
- Included Wayland protocols with Meson build system.
- Added xcb-util-keysyms with autotools configuration.
- Introduced Yasm with multiple patches for compatibility and improvements.
- Added Yelp tools and XSL with Meson build configurations and necessary patches for POSIX compliance.

extra/dbus/dbus.confd

@@ -0,0 +1,10 @@
+# Configuration for /etc/init.d/dbus
+
+# Additional arguments to pass to dbus-daemon.
+#command_args=
+
+# Uncomment to use process supervisor.
+#supervisor=supervise-daemon
+
+# Move machine-id generated by dbus-uuidgen
+#machine_id=/etc/machine-id