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/sgml-common/sgml-common-0.6.3-manpage-1.patch

@@ -0,0 +1,14 @@
+Submitted By: Thomas Pegg <lnxfreak123 at insightbb dot com>
+Date: 2003-11-18
+Initial Package Version: 0.6.3
+Origin: Thomas Pegg
+Description: Fixes syntax of Makefile.am for installation of man pages,
+for use with current automake versions 1.7.8 and higher.
+
+diff -Naur sgml-common-0.6.3.orig/doc/man/Makefile.am sgml-common-0.6.3/doc/man/Makefile.am
+--- sgml-common-0.6.3.orig/doc/man/Makefile.am	2001-01-30 14:42:22.000000000 +0000
++++ sgml-common-0.6.3/doc/man/Makefile.am	2003-11-18 16:48:47.000000000 +0000
+@@ -1,2 +1 @@
+-man8dir	  = $(mandir)/man8
+-man8_DATA = *.8
++man_MANS = install-catalog.8