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/libxshmfence/libxshmfence.toml

@@ -0,0 +1,21 @@
+[build]
+type = "autotools"
+
+[dependencies]
+build = [
+    "xorg-util-macros",
+    "xorgproto",
+]
+runtime = ["glibc"]
+
+[package]
+description = "a library that exposes a event API on top of Linux futexes"
+homepage = "https://xorg.freedesktop.org/"
+license = "HPND-sell-variant"
+name = "libxshmfence"
+version = "1.3.3"
+
+[[source]]
+extract_dir = "$name-$version"
+sha256 = "d4a4df096aba96fea02c029ee3a44e11a47eb7f7213c1a729be83e85ec3fde10"
+url = "https://xorg.freedesktop.org/archive/individual/lib/$name-$version.tar.xz"