vulkan/overlay: make json file per arch
Signed-off-by: Lionel Landwerlin lionel.g.landwerlin@intel.com Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109807
Signed-off-by: Lionel Landwerlin lionel.g.landwerlin@intel.com Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109807