anv: Merge in my TODO list items

Signed-off-by: Kristian Høgsberg Kristensen <krh@bitplanet.net>

src/intel/vulkan/TODO

@@ -9,6 +9,9 @@ Missing Features:
  - Image Gather Extended
  - Storage Image Without Format
  - Investigate CTS failures on HSW
+ - Pipeline statistics queries
+ - Sparse memory
+ - Per-sample-dispatch, minSampleShading
 
 Code sharing with GL:
  - Add surface capability introspection to ISL (pull the surface format
@@ -21,3 +24,11 @@ Performance:
  - Compressed multisample support
  - Renderbuffer compression (SKL+)
  - Pushing pieces of UBOs?
+ - Enable guardband clipping
+ - Remove alloc in renderpass begin to renderpass create
+ - pma stall workaround
+ - Use soft-pin to avoid relocations
+
+Cleanups:
+ - Drop libmesa.la
+ - Deduplicate gen7 and gen8