Since PIPE_CAP_TGSI_TEXCOORD is now set in SVGA vgpu10 driver, we need to add a new parameter need_texcoord_semantic to tgsi_add_point_sprite and tgsi_add_aa_point to allow setting texcoords using tgsi texcoord semantic. Both of these tgsi utilities are used by SVGA driver only.
/cc @bhenden