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/libyuv/libyuv.toml

@@ -0,0 +1,26 @@
+[build]
+type = "cmake"
+
+[build.flags]
+build_dir = "build"
+configure = [ "-G Ninja", "-DCMAKE_POLICY_VERSION_MINIMUM=3.5" ]
+
+[dependencies]
+runtime = [ "glibc", "libunwind", "libcxx", "libjpeg-turbo" ]
+build = [ "cmake", "ninja" ]
+
+[package]
+description = "Library for YUV scaling"
+homepage = "https://chromium.googlesource.com/libyuv/libyuv/"
+license = "BSD-3-Clause"
+name = "libyuv"
+version = "r2426+464c51a03"
+
+[[source]]
+extract_dir = "$name-$version"
+post_extract = ["sed -i 's|yuvconvert ${JPEG_LIBRARY}|${ly_lib_shared} ${JPEG_LIBRARY}|' CMakeLists.txt"]
+url = "https://chromium.googlesource.com/libyuv/libyuv#464c51a0353c71f08fe45f683d6a97a638d47833"
+patches = [ "libyuv-1864-posixify.patch" ]
+
+[[manual_sources]]
+file = "libyuv-1864-posixify.patch"