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/libcap-ng/libcap-ng.toml

@@ -0,0 +1,33 @@
+[build]
+type = "autotools"
+
+[build.flags]
+configure = [
+    "--with-python3",
+    "--without-python",
+    "--enable-static=no",
+]
+
+[dependencies]
+build = [
+    "python",
+    "swig",
+]
+runtime = ["glibc"]
+optional = [ "python" ]
+
+[package]
+description = "A library for Linux that makes using posix capabilities easy"
+homepage = "https://people.redhat.com/sgrubb/libcap-ng/"
+license = [
+    "GPL-2.0-or-later",
+    "LGPL-2.1-or-later",
+]
+name = "libcap-ng"
+version = "0.9.1"
+
+[[source]]
+extract_dir = "$name-$version"
+sha256 = "52418b8940f83dcc00dcd01d187e67c3399ff65f3fa558442e3a21b415cc46c0"
+url = "https://github.com/stevegrubb/libcap-ng/archive/v$version/libcap-ng-$version.tar.gz"
+post_extract = [ "touch NEWS", "autoreconf -fiv" ]