gallium: Switch PIPE_CAP_TGSI_TEXCOORD on in more drivers
Touch-tested freedreno, lp, and sp with arb_point_sprite-checkerboard, which otherwise broke on freedreno with !2933 (merged)
Touch-tested freedreno, lp, and sp with arb_point_sprite-checkerboard, which otherwise broke on freedreno with !2933 (merged)