mesalib: Patch source to disable Intel Vulkan drivers for good [1]

Work around a supposedly Autoconf issue, leading the Mesa developers to
still build certain Intel Vulkan parts despite it being disabled.

[1] https://bugs.freedesktop.org/show_bug.cgi?id=104582
    "Leaving Intel Vulkan driver out still runs scripts `src/intel/vulkan/`"

mesalib.be0

@@ -15,7 +15,7 @@ SRCURL[0]="https://mesa.freedesktop.org/archive/mesa-${PKGVERSION}.tar.xz"
 ## Add URLs/pathes to patch files to the PATCHURL array.
 ## The sources will be patched in the order of the array.
 
-# PATCHURL+=()
+PATCHURL+=(/src/mariux/patches/0001-intel-Really-disable-Intel-Vulkan-drivers.patch)
 
 ###############################################################################
 ## Add filename patterns to the EXCLUDE array of files that should not