Describe the bug
Upstream intel-vaapi-driver removed the --enable-drm ./configure option. It is now turned on by default. Happened in commit intel/intel-vaapi-driver@3497cb1.

To Reproduce
Steps to reproduce the behavior:

1. build the package and read through compile log

Additional context
This is a warning, package builds just fine despite this.

Metadata
Please run nix run nixpkgs.nix-info -c nix-info -m and paste the result.

 - system: `"x86_64-linux"`
 - host os: `Linux 4.19.83, NixOS, 19.09.1197.d493b97b265 (Loris)`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.3`
 - channels(root): `"nixos-19.09.1320.4ad6f1404a8, nixos-hardware"`
 - channels(jdanek): `"nixos-unstable-20.03pre200231.7827d3f4497"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos`

Maintainer information:

# a list of nixpkgs attributes affected by the problem
attribute: intel-vaapi-driver-git intel-vaapi-driver
# a list of nixos modules affected by the problem
module: intel-vaapi-driver-git intel-vaapi-driver

(I don't know if I am dealing with attribute or module. I think attribute, but just to cover all bases.)