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/gtk-doc/gtk-doc.toml

@@ -0,0 +1,36 @@
+[build]
+type = "meson"
+
+[build.flags]
+build_dir = "build"
+skip_tests = true
+
+[dependencies]
+build = [
+    "yelp-tools",
+    "meson",
+]
+runtime = [
+    "docbook-xml",
+    "sh",
+    "docbook-xsl",
+    "glib2",
+    "python",
+    "python-lxml",
+    "python-pygments",
+    "python-parameterized"
+]
+
+[package]
+description = "Documentation tool for public library API"
+homepage = "https://gitlab.gnome.org/GNOME/gtk-doc"
+license = [
+    "GFDL-1.1-or-later",
+    "GPL-2.0-or-later",
+]
+name = "gtk-doc"
+version = "1.36.0"
+
+[[source]]
+extract_dir = "$name-$version"
+url = "https://gitlab.gnome.org/GNOME/gtk-doc.git#$version"