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/rav1e/build.sh

@@ -0,0 +1,25 @@
+cargo build \
+    --release \
+    --no-default-features \
+    --features binaries,asm,threading,signal_support \
+    --manifest-path Cargo.toml
+  cargo cbuild \
+    --release \
+    --no-default-features \
+    --features binaries,asm,threading,signal_support \
+    --prefix=/usr \
+    --manifest-path Cargo.toml
+
+cargo install \
+    --no-default-features \
+    --features binaries,asm,threading,signal_support \
+    --offline \
+    --no-track \
+    --path . \
+    --root "$DESTDIR"/usr
+  cargo cinstall \
+    --release \
+    --no-default-features \
+    --features binaries,asm,threading,signal_support \
+    --prefix /usr \
+    --destdir "$DESTDIR"