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/yelp-xsl/yelp-xsl-49.0-posixify.patch

@@ -0,0 +1,19 @@
+diff --git a/xslt/common/domains/gen_yelp_xml.sh b/xslt/common/domains/gen_yelp_xml.sh
+index 29e133b..e77ca99 100755
+--- a/xslt/common/domains/gen_yelp_xml.sh
++++ b/xslt/common/domains/gen_yelp_xml.sh
+@@ -1,4 +1,4 @@
+-#!/bin/bash
++#!/bin/sh
+ 
+ set -e
+ 
+@@ -10,7 +10,7 @@ output=''
+ target=''
+ 
+ parse_options() {
+-    while [[ -n "${1}" ]]; do
++    while [ -n "${1}" ]; do
+         case "${1}" in
+             --input)
+                 input="${2}"

extra/yelp-xsl/yelp-xsl.toml

@@ -0,0 +1,32 @@
+[build]
+type = "meson"
+
+[build.flags]
+build_dir = "build"
+configure = ["-Ddita=true"]
+
+[dependencies]
+build = [
+    "libxslt",
+    "meson",
+    "itstool",
+]
+
+[package]
+description = "Document transformations from Yelp"
+homepage = "https://gitlab.gnome.org/GNOME/yelp-xsl"
+license = [
+    "BSD-3-Clause",
+    "GPL-2.0-or-later",
+    "LGPL-2.1-or-later",
+]
+name = "yelp-xsl"
+version = "49.0"
+
+[[source]]
+extract_dir = "$name-$version"
+url = "https://gitlab.gnome.org/GNOME/yelp-xsl.git#$version"
+patches = [ "yelp-xsl-49.0-posixify.patch" ]
+
+[[manual_sources]]
+file = "yelp-xsl-49.0-posixify.patch"