Install Vulcan library libnvidia-glvkspirv.so

https://devtalk.nvidia.com/default/topic/1032079/linux/

Author: jonathonf

nvidia-utils/PKGBUILD

@@ -123,7 +123,8 @@ package_nvidia-utils() {
     install -D -m755 "libnvidia-cfg.so.${pkgver}" "${pkgdir}/usr/lib/libnvidia-cfg.so.${pkgver}"
     install -D -m755 "libnvidia-ml.so.${pkgver}" "${pkgdir}/usr/lib/libnvidia-ml.so.${pkgver}"
 
-    # Vulkan ICD
+    # Vulkan
+    install -D -m644 "libnvidia-glvkspirv.so.${pkgver}" "${pkgdir}/usr/lib/libnvidia-glvkspirv.so.${pkgver}"
     install -D -m644 "nvidia_icd.json.template" "${pkgdir}/usr/share/vulkan/icd.d/nvidia_icd.json"
 
     # VDPAU