add missing Vulkan WSI add-on, add ModesetTool

Author: X547

.gitmodules

@@ -10,3 +10,7 @@
 	path = open-gpu-kernel-modules
 	url = https://github.com/X547/open-gpu-kernel-modules.git
 	branch = 570.86.16-haiku
+[submodule "VideoStreamsWsi"]
+	path = VideoStreamsWsi
+	url = https://github.com/X547/VideoStreamsWsi.git
+	branch = hwaccel-nvidia

Build.sh

@@ -25,6 +25,7 @@ buildProject nvrm_cpp_sdk
 buildProject nvidia_gsp
 buildProject accelerant
 buildProject NvKmsTest
+buildProject VideoStreamsWsi
 buildProject mesa-nvk \
 	-Dpkg_config_path="/boot/data/packages/llvm-project/build-libclc.x86_64/install/share/pkgconfig:/boot/data/packages/SPIRV-LLVM-Translator/build.x86_64/install/lib/pkgconfig:/boot/data/packages/Vulkan/SPIRV-Tools/build.x86_64/install/lib/pkgconfig" \
 	-Dgallium-drivers= \