intel: Make engine related functions and types not i915 dependent

There is too much i915_drm.h code spread, this patch start to fix that
by re-organizing engine related code.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18942>

src/intel/vulkan/anv_gem.c

@@ -384,9 +384,3 @@ anv_gem_fd_to_handle(struct anv_device *device, int fd)
 
    return args.handle;
 }
-
-struct drm_i915_query_engine_info *
-anv_gem_get_engine_info(int fd)
-{
-   return intel_i915_query_alloc(fd, DRM_I915_QUERY_ENGINE_INFO, NULL);
-}