mesa: host builds with shared-llvm=disabled

allows mesa_clc to be portable between build trees and build hosts

packages/graphics/mesa/package.mk

@@ -23,7 +23,8 @@ PKG_MESON_OPTS_HOST="-Dglvnd=disabled \
                      -Dgallium-vdpau=disabled \
                      -Dplatforms= \
                      -Dglx=disabled \
-                     -Dvulkan-drivers="
+                     -Dvulkan-drivers= \
+                     -Dshared-llvm=disabled"
 
 PKG_MESON_OPTS_TARGET="-Dgallium-drivers=${GALLIUM_DRIVERS// /,} \
                        -Dgallium-extra-hud=false \