Add build flag to control ram available to Vulkan.

--args anv_use_max_ram=true

Also rename enable_external_fd to anv_enable_external_fd.

Change-Id: I05015421a8777c08913dc52d3abdcaecedab6a14
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/463874
Reviewed-by: John Bauman <jbauman@google.com>
2 files changed