mesa: Upgrade 25.1.3 -> 25.1.6

Upgrade to release 25.1.6:

- v3dv: regression in vkAllocateMemory importing gbm bo
- Vulkan WSI (and zink) use threads on X11 even when the X
  connection isn't thread-safe
- sddm-greeter-qt segfault when using nvk+zink
- [regression][bisected] [FirePro W4100]: crashing/rebooting
- Descriptor set layout with binding flags fails due to indices
  not matching bindings
- piglit bindless texture tests crash
- [radeonsi] Artifacts in Team Fortress 2 (bisected)
- eglgears_wayland segfault on zink+nvk with PRIME
- vn_renderer_virtgpu.c:13:10: fatal error: 'xf86drm.h' file not
  found
- brw: mad instruction printing broken on Gfx11
- radv: RGB9E5 rendering does not ignore alpha write mask

This work was sponsored by GOVCERT.LU.

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>

recipes-graphics/mesa/mesa.bbappend

@@ -12,8 +12,8 @@ SRC_URI = "https://mesa.freedesktop.org/archive/mesa-${PV}.tar.xz \
            file://0001-dont-build-clover-frontend.patch \
 "
 
-SRC_URI[sha256sum] = "ffcb6cadb5fd356d56008e6308641dfe4b2929f30139f6585436ca6e3cddba7f"
-PV = "25.1.3"
+SRC_URI[sha256sum] = "9f2b69eb39d2d8717d30a9868fdda3e0c0d3708ba32778bbac8ddb044538ce84"
+PV = "25.1.6"
 
 # -Dglvnd is deprecated from true/false to enabled/disabled 
 PACKAGECONFIG[glvnd] = "-Dglvnd=enabled, -Dglvnd=disabled, libglvnd"